The image shows a geometric representation of the function f(x) = x2 – 2x – 6 written in standard form.



What is this function written in vertex form?

A) f(x) = (x –1)2 – 7
B) f(x) = (x +1)2 – 7
C) f(x) = (x –1)2 – 5
D) f(x) = (x +1)2 – 5

It has to be A, B, C, Or D someone has asked this question before but whoever answered it just copied and pasted the question that was asked as the answer so please help the answer has to be one of the above.

Answers

Answer 1
The vertex form of the equation of a parabole is (x - h)^2 + k

So you must complete squares to transform x^2 -2x - 6 in its vertex form.


1) convert x^2 - 2x in a square => (x - 1)^2 - 1

2) Add the constant term - 6 => (x - 1)^2 -1 - 6

3) Add similar terms => (x - 1)^2 - 7

You can verify that (x - 1)^2 - 7 is equal to x^2 - 2x - 6:

x^2 - 2x + 1 - 7 = x^2 - 2x - 6. So, do not doubt it, the vertex form is (x - 1)^2  - 7, where the coordinates of the vertex are (1, - 7)

Answer: option A (x - 1)^2 - 7

Related Questions

Part of a tiling design is shown. The center is a regular hexagon. A square is on each side of the hexagon, and an equilateral triangle joins the squares. Complete the pattern around the hexagon and calculate the total area of the pattern.



A.
403.1 in.^2
B.
503.1 in.^2
C.
1,119.6 in.^2
D.
1,379.4 in.^2

Answers

Since the squares are 10×10, 6 of them = 100×6=600in^2
There are 6 equilateral triangles around the hexagon, and the hexagon itself is made of 6 of those equilateral triangles. So 12× triangle's area will complete the total area.
Height of the triangle will split it into 2 30-60-90 triangles. So the h will be 5SR3, since the height will bisect the base (10) into 2 5's. And a 30-60-90 will have sides of x, xSR3, and 2x. Since x=5, the h will be 5SR3 = 8.66.
So area of the triangle:
1/2×b×h = 1/2×10×8.66 = 43.3
Now 12×43.3 = 519.62
Now add that to the 600 from the squares:
519.62 + 600 = 1,199.62 in^2
The correct answer is (C.)

c = 0.20m + 2.00 what is the charge for 1mile ride?

Answers

All you have to do is substitute the 1 into the m for the mile ride:
C = 0.20(1) + 2.00 = 0.20 + 2.00 = 2.20

The charge for 1 mile ride is $2.20.

Which expression is equivalent to 12x^4(x-3)(x+5)/ 30x(x+3)(x+5)

Answers

simplifying we get     2x^3(x - 3) / 5 (x + 3)

The equation which is equivalent to the given expression is 4x + y = 21.

What is an expression?

Expression is a finite combination of symbols that is well-formed according to rules that depend on the context. An expression is a combination of numbers, variables, or a combination of numbers and variables, and symbols and it is connected by the sign of equal.

We have,

Expression [tex]\frac{12x^4(x-3)(x+5)}{30x(x+3)(x+5)}[/tex]

So,

Now,

To get the equivalent expression,

Cancel the common factor (x + 5) of the given expression,

On solving,

We get,

[tex]\frac{12x^4(x-3)}{30x(x+3)}[/tex],

Now,

On solving further,

We get,

[tex]=\frac{2x^3(x-3)}{5(x+3)}[/tex]

So, We can not solve it further,

So, This is the expression that is equivalent to the given expression.

Hence, we can say that the equation which is equal to the given expression is [tex]\frac{2x^3(x-3)}{5(x+3)}[/tex].

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What is m∠AEB?
(See attachment)

Answers

Hey there,
Angle AEB + Angle CED = 180 degrees (vertically opposite angles)
(5x-10) degrees + (3x + 40) degrees = 180 degrees
5x -10 + 3x + 40 = 180 degrees
5x + 3x= 180 + 10 - 40
8x = 150
x = 150 / 8
   = 18.75 degrees 
Angle AEB = (18.75 x 5) - 10 
                  =83.75 degrees.

Hope this helps ^_^

~Top
Final answer:

Unfortunately, without the attachment or diagram, it is not possible to determine the measure of angle AEB.

Explanation:

The question asks for the measure of angle AEB. In order to find this angle, we need to refer to the given diagram or attachment. Unfortunately, there is no attachment provided with the question, so it is not possible to provide a specific answer to the question. Please provide the diagram or attachment so that I can accurately determine the measure of angle AEB.

If f(x) =3x^2 and g(x) =4x^3 +1 what is the degree of fg (x)

Answers

f°g(x) = f(g(x)) = 3(g(x))² = 3(4x³ + 1)².
Now, when you expand the bracket, you will find that the highest degree or degree of the polynomial is 6. 
∴degree of fg (x) = 6

which of the following answer choices describes all the transformation found in the cubic function f(x)=-(x+2)3-5

Answers

The cubic function is f(x) = x^3

You need to perform three transformations to the cubic function to obtain
f(x) = - (x + 2)^3 - 5.

Those transfformations are:

1) Shift f(x) = x^3,  2 units leftward to obtain f(x) = (x + 2)^3

2) reflect f(x) = (x + 2)^3 across the x-axis to obtain f(x) = - (x + 2)^3

3) shift f(x) = - ( x + 2) ^3, 5 units downward to obtain f(x) = - (x + 2)^3 - 5

Which expression is equivalent to the following complex fraction?

Answers

answer is -4x+7/2(x-2). 

HELP NEED QUICKLY ILL GIVE A BRAINLIEST!!!
Mrs. Mac puts money in her piggy bank every week. The function graphed can be used to model the total amount of money in her piggy bank x week after her birthday given Mrs. Mac’s birthday is at x = 0.

1.What is the x intercept and what does it represent?

2.What is the y-intercept and what does it represent?

3.What is the slope and what does it represent?

Answers

the x intercept is -12 and it represents the amount of money she started with.
the y intercept is +3 and it represents the amount of money she has now.
the slope is positive and it represents the amount of money shell get in the future

A) X intercept is -12, this represent the number of weeks before her birthday she started saving money

B) Y intercept = 3, this is the amount of money she has in her piggy bank before her birthday


C) slope = change in Y over the change in X = 1/4, this means she is saving 25 cents per week


The programmer can type 55 words per minute.


At that rate, how many words can the programmer type in 11 min?



66

550

605

655

Answers

55 x 11 = 605, so the answer is 605

Answer:

605 words per 11 minutes!

Step-by-step explanation:

60 / 55 = 1.0909

11 x 60 = 660

660 / 1.0909 = 605 + (6x - [tex]\int\limits^a_c {b} \, dx[/tex]) / 10

605 + (6x - [tex]\int\limits^a_c {b} \, dx[/tex]) / 10 rounded = 605



Line GH contains points G(–2, 6) and H(5, –3). What is the slope of ?


Answers

We will use the slope formula and fill it in accordingly.

[tex] m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}} [/tex]

Our x2 is 5 and x1 is -2; our y2 is -3 and y1 is 6

[tex] m=\frac{-3-6}{5-(-2)}=\frac{-9}{7} [/tex].

The slope of your line is -9/7

Answer

Find out the slope of the points  G(–2, 6) and H(5, –3).

To prove

The equation for finding the slope of two points be

[tex]m = \frac{y_{2} -y_{1}}{x_{2} - x_{1}}[/tex]

where m represented the slope .

As given

points G(–2, 6) and H(5, –3).

[tex]m = \frac{-3-6}{5+2}[/tex]

solving the above terms

[tex]m = \frac{-9}{7}[/tex]

Therefore the slope of  points G(–2, 6) and H(5, –3) is

[tex]m = \frac{-9}{7}[/tex]



Solve:C=10d + 5n for n

Answers


[tex]n = - 2d + \frac{c}{5} [/tex]
hope this helps

describe the steps you would follow to write a two-step inequality you can use to solve a real-world problem.

Answers

Here are some of my notes from my 7th grade math class!

Final answer:

To write a two-step inequality for a real-world problem, first identify the unknowns and known quantities related to the problem. Next, construct an inequality that represents the problem, and finally solve the inequality for the unknown variable. For example, budgeting for a party with a savings goal can be represented as an inequality.

Explanation:

To write a two-step inequality to solve a real-world problem, follow these steps:

Identify the unknowns: Understand what needs to be determined. This involves defining the variable(s) that will represent the unknown quantity(ies) in the problem.

Identify the known quantities: Make a list of the quantities that are given or can be inferred from the problem. These are the values you will use to construct your inequality.

Construct the inequality: Use the information from steps 1 and 2 to create an inequality that represents the problem. This often involves expressing the relationship between the known and unknown quantities using an inequality symbol (such as <, >, ≤, ≥).

Solve the inequality: Apply algebraic methods to solve for the unknown variable. This may involve isolating the variable on one side of the inequality.

For example, if you are planning a party and know you have a budget of $200 for decorations but want to save at least $50, you could set up the inequality x + 50 ≤ 200, where x represents the amount you can spend on decorations.

Can Anyone Help Me

The number of e-mails sent each day in the United States is measured in the thousands.

A. True
B. False

Answers

The answer is false.

What is the GCF of 15 and 27 ?

Answers

The correct answer is 3.
the answer is because 9 * 3 = 27 and 5 * 3 = 15

Find the probability that when a couple has two ​children, at least one of them is a boy. ​(Assume that boys and girls are equally​ likely.)

Answers

The probability that when a couple has two ​children, at least one of them is a boy is 0.75.

Based on the information given, the sample space will be (BB, BG, GB, GG)

where,

B = Boy

G = Girl

Therefore, based on the sample space given, at least a boy occurs in 3 places out of 4. This will be 3/4 = 0.75.

In conclusion, the correct option is 0.75.

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Final answer:

The probability of a couple having at least one boy when they have two children is 75%, as three out of four possible outcomes include at least one boy. These outcomes are two boys, a boy then a girl, and a girl then a boy.

Explanation:

The subject of the question is probability which is a branch of mathematics. In order to find the probability that when a couple has two children, at least one of them is a boy, we need to analyze possible outcomes. The couple could have two boys (BB), a boy and a girl (BG), a girl and a boy (GB), or two girls (GG). Hence, the total unique outcomes are 4 (BB, BG, GB, GG).

Considering at least one boy, the possible outcomes could be BB, BG, GB, which are 3 possibilities. Finally, the probability is given as the ratio of favorable outcomes to the total number of outcomes. So the probability of having at least one boy is 3/4 or 75%.

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PLEASE HELP!!!!!!!!!!!!!!!!!!!!!
How many solutions does the equation have?
2x+3+4x x2

A)many solutions
B)no solutions
C)1 solution

Answers

I'd say C, hopefully that helps.
THIS HAS NO SOLUTION BECAUSE THERE ISNT X2

Foster is centering a photo that is 1/1 2 inches wide on a scrapbook page that is 10 inches wide. How far from each side of the page should he put the picture? Please enter it as a mixed number

I will give 39 points if you answer this question

Answers

The answer would be 4 1/4 (4.25)
10-1.5=8.5/2=4.25

Hope this helps!
Can u plz mark me as brainliest? I really need it!

Answer: 4.25

Step-by-step explanation:

If a line has a positive slope what is its general direction

Answers

Final answer:

A line with a positive slope generally moves upward from left to right, representing an increase in y-values as x-values rise.

Explanation:

If a line has a positive slope, its general direction is upward from left to right. This means that as the x-values increase, the y-values also increase. The slope of a line in mathematics represents the rate at which y changes with respect to x. A positive slope indicates a direct relationship between the two variables involved; as one increases, so does the other. In the context of a graph, this manifests as a line that rises as it moves along the x-axis.

The nature of the slope determines the line's direction. A higher positive slope indicates a steeper ascent, while a smaller positive slope results in a less steep, flatter incline. The concept of slope is crucial in economics as well, as it measures the relationship between two variables, such as price and quantity supplied, where a positive slope illustrates that firms supply more as the price goes higher.

A publisher claims that the average salary paid at its company is $37,500 but it could differ as much as $4,500. Write and solve an absolute value inequality to determine the range of salaries at this company.

|x − 37500| ≤ 4500; The salaries range from $33,000 to $42,000
|x − 37,500| ≤ 4500; The salaries are less than $33,000 or greater than $42,000.
|x − 37500| ≥ 4500; The salaries range from $33,000 to $42,000
|x − 37,500| ≥ 4500; The salaries are less than $33,000 or greater than $42,000.

Answers

|x − 37500| ≤ 4500; The salaries range from $33,000 to $42,000

Can Anyone Help Me

A relation is a special type of function.

A. True
B. False

Answers

yes it s true
A. True

What is the return value of "select".substring(4, 4)?

Answers

Final answer:

The expression "select".substring(4, 4) will return an empty string, as the start and end indices are the same and no characters are included in the specified range.

Explanation:

The substring method in many programming languages, including Java and JavaScript, is used to extract a portion of a string between two specified indices. In the expression "select".substring(4, 4), we are asking for the part of the string starting at index 4 and up to, but not including, index 4. Since the start and end indices are the same, the method will return an empty string.

It's important to note that string indices are zero-based, meaning that the first character of the string is at index 0. The string "select" has six characters, with indices ranging from 0 to 5. Therefore, calling substring with identical start and end indices will not include any characters in the resulting string.

Example:To retrieve the first character of "select", you would use "select".substring(0, 1).To retrieve "lec" from "select", you would use "select".substring(1, 4).

Write the equation you would use to solve each problem; then solve.

The quotient of a number and 15 is 120. Find the number

Answers

120 x 15 = 1800 :) thats the answer


Elliot has a collection of 20 toy cars. Will he be able to put an equal number of toy cars on 3 shelves

Answers

no the closest he can go is 18

He will not be able to put an equal number of toy cars on 3 shelves.

He can put only 18 toy cars in equal number of toy cars of 6 on 3 shelves.

What is division?

Division is a simple operation in which a number is divided. It's easiest to think of it as a number of objects being divided among a certain number of people.

According to the question

Elliot has a collection of 20 toy cars.

Put an equal number of toy cars on 3 shelves.

= [tex]\frac{20}{3}[/tex]

= 6.6

Thus, He can put only 18 toy cars in equal number of toy cars of 6 on 3 shelves.

He will not be able to put an equal number of toy cars on 3 shelves.

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What is 4x+5(7x-3)=9(x-5)

Answers

4x + 5(7x-3) = 9(x-5)
4x + 35x - 15 = 9x - 45   Distribute
39x - 15 = 9x - 45   Simplify
-9x +15 -9x +15   Combine Like Terms

30x = -30   Simplify
/30 /30   Divide both sides

x = -1   Answer

Any more questions? Feel free to message me!
Anyway... I hope this helped! :)

All of the items in a bicycle shop are on sale for 30% off the regular price. Rene spends $74.90 to buy a bicycle and a helmet (without taxes). If the regular price of the bicycle is $85, which equation can be used to find the regular price of the helmet, h?

Answers


x= helmet

Equation to find the helmet price;

x = 74.90 - [85 - (30/100 *85)]

If you want the price helmet

x = 15.40

Answer:

0.7 (85 + h) = 74.90

Step-by-step explanation:

Mrs evans has 120 crayons and 30 pieces of paper to give to her students. what is the largest number of students she can have so that each student gets equal number of crayons and equal number of pieces of paper

Answers

30students is the highest she can have

The maximum number of students that will receive the paper and crayons are 30.

What is ratio?

Ratio is a quantitative relation between two amounts showing the number of times one value contains or is contained within the other.

Given is Mrs. Evans who has 120 crayons and 30 pieces of paper to give to her students.

We have 120 crayons and 30 pieces of paper.

Then for 1 paper, we will have (120/30) which is equivalent to 4 crayons.

So, every student will get 1 paper and 4 crayons.

Assume that the maximum number of students that will receive the paper and crayons are [x]. Then, we can write -

x + 4x = 120 + 30

5x = 150

5x = 150

x = 30

Therefore, the maximum number of students that will receive the paper and crayons are 30.

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Given △PQR≅△STU, m∠R=80°, and m∠S=70°, what is the measure of ∠Q?

Enter your answer in the box.

Answers

∆ PQR is congruent to ∆ STU

This means --
P = S
Q = T
R = U

R = 80°
S = P = 70°

So in ∆PQR, we know R = 80° , P = 70° and Q = ?

Using angle sum property of triangle,
P+ Q + R = 180°
70° + 80° + Q = 180°
150° + Q = 180°
Q = 30°

Hope This Helps You!

Congruent triangles have equal corresponding angles

The measure of <Q is 30 degrees

The given parameters are:

m∠R=80°, and m∠S=70°

△PQR≅△STU

Given that both triangles are congruent, then the measure of Q is calculated using:

Q = 180 - 80 - 70

Evaluate the difference

Q = 30

Hence, the measure of <Q is 30 degrees

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Which ordered pair is a solution of the inequality y>4x-5? A.(3,4) B.(2,1) C.(3,0) D.(1,1)

Answers

The answer is D (1,1)

y>4x-5
1>4(1)-5

A regulation baseball field measures 90 feet between each base. What is the distance around the bases in yards?

Answers

home to 1st base = 90 ft
1st base to 2nd base = 90 ft
2nd base to 3rd base = 90 ft
3rd base to home = 90 ft
so we have a total of : (90 * 4) = 360 ft

there are 3 ft in 1 yd....
so in 360 ft, there are : 360/3 = 120 yds <==

or u could just figure it between each base....90 ft = (90/3) = 30 yds per base...and u have 4 bases....so that (4 * 30) = 120 yds

The distance around the bases in yards is 30 yards.

In order to determine the distance between each base in yards the unit of conversion of feet to yards have to be first determined. 1 foot is equivalent to 0.333333 yards.

1 feet = 0.333333 yards

The second step is to multiply the distance between each base by the unit of conversion.

Distance between each base x unit of conversion

90 x 0.333333

= 30 yards

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Find the exact coordinates of the centroid for the region bounded by the curves y=x, y=1/x, y=0, and x=2

Answers

The centroid of the region bounded by [tex]\(y=x\), \(y=\frac{1}{x}\), \(y=0\),[/tex] and [tex]\(x=2\)[/tex] is at [tex]\((\frac{2}{3}, 0)\).[/tex]

To find the centroid of the region bounded by the curves[tex]\(y=x\), \(y=\frac{1}{x}\), \(y=0\), and \(x=2\),[/tex]we need to first find the area of the region and then compute the coordinates of the centroid using the following formulas:

The centroid of a region with area[tex]\(A\)[/tex]  is given by [tex]\((\bar{x}, \bar{y})\)[/tex]where

[tex]\[\bar{x} = \frac{1}{A} \int\int_R x \, dA\][/tex]

[tex]\[\bar{y} = \frac{1}{A} \int\int_R y \, dA\][/tex]

First, let's find the points of intersection for the curves:

1. [tex]\(y=x\) and \(y=1/x\):[/tex]

  [tex]\[ x = \frac{1}{x} \implies x^2 = 1 \implies x = 1 \][/tex]

  So, the intersection point is [tex]\((1,1)\).[/tex]

2. [tex]\(y=0\) and \(x=2\):[/tex]

  This intersection occurs at [tex]\((2,0)\).[/tex]

Now, we'll integrate to find the area and then the centroid:

1. Area:

[tex]\[ A = \int_{0}^{1} (x - \frac{1}{x}) \, dx + \int_{1}^{2} (\frac{1}{x}) \, dx \][/tex]

 [tex]\[ A = \left[\frac{x^2}{2} - \ln|x|\right]_{0}^{1} + \left[\ln|x|\right]_{1}^{2} \][/tex]

[tex]\[ A = \left(\frac{1}{2} - 0 - (0 - \infty)\right) + (\ln(2) - \ln(1)) \][/tex]

 [tex]\[ A = \frac{1}{2} + \ln(2) \][/tex]

2. Centroid[tex](\(\bar{x}\)):[/tex]

 [tex]\[ \bar{x} = \frac{1}{A} \left[\int_{0}^{1} x(x - \frac{1}{x}) \, dx + \int_{1}^{2} x(\frac{1}{x}) \, dx\right] \][/tex]

 [tex]\[ \bar{x} = \frac{1}{A} \left[\left[\frac{x^3}{3} - \frac{1}{2}\ln|x|\right]_{0}^{1} + \left[\ln|x|\right]_{1}^{2}\right] \][/tex]

 [tex]\[ \bar{x} = \frac{1}{A} \left(\frac{1}{3} - 0 - (0 - \infty) + (\ln(2) - \ln(1))\right) \][/tex]

 [tex]\[ \bar{x} = \frac{\frac{1}{3} + \ln(2)}{\frac{1}{2} + \ln(2)} \][/tex]

[tex]\[ \bar{x} = \frac{2}{3} \][/tex]

3. Centroid [tex](\(\bar{y}\)):[/tex]

[tex]\[ \bar{y} = \frac{1}{A} \left[\int_{0}^{1} (x - \frac{1}{x}) \cdot 0 \, dx + \int_{1}^{2} (\frac{1}{x}) \cdot 0 \, dx\right] \][/tex]

 [tex]\[ \bar{y} = 0 \][/tex]

Therefore, the centroid of the region is at the point [tex]\(\left(\frac{2}{3}, 0\right)\).[/tex]

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