A line passes through (−1, 7) and (2, 10).

Which answer is the equation of the line?

−3x+y=4−3x+y=4

−3x+y=16−3x+y=16

−x+y=8−x+y=8

−x+y=12

Answers

Answer 1
the formula is y=mx+b
To get the slope or m, use this formula
(the second y minus the first y)/(the second x minus the first x)
Now set it up.
(10-7)/(2--1)
3/3=slope is 1.
y=1x+b

Insert one of the points for x and y.
i will do (-1,7)
7=1(-1)+b
7=-1+b
8=b
Insert this into the final equation:
y=1x+8

Try it out. If you're not sure, try both points. If it works, then you set it up correctly.
Answer 2
i  go to k12 and the correct answer is C hope this works :))

Related Questions

Tati suffered severe stroke damage near the rear of both sides of her brain. She is now unable to perceive

Answers

She is currently unfit to see development. The outcome is oxygen hardship to cerebrum tissue, which can have destroying results. The capacity to recuperate from a stroke relies upon the seriousness of the stroke and how rapidly you get restorative consideration. An enormous stroke can be deadly, yet for some individuals encountering a stroke, recuperation is long however conceivable.

If 5 people share 1 2 pound of jelly beans equally, what amount will each person receive?

Answers

1/10.

Hope this helps!

If y varies inversely as x, and y = 10 as x = 7, find y for the x-value of 10.

Answers

I have the same question... Anyone know the answer?

Which of the following represents 6 x to the 3 fourths power in radical form?

Answers

6 √x^3 - I am not sure how to write 4th root on the computer but the answer is 6 times the 4th root of x to the 3 third power. 

Answer:

[tex]\\ 6x^{\frac{3}{4}} = 6\sqrt[4]{x^{3}}[/tex]

Step-by-step explanation:

When a number is raised to a rational number like [tex]\\ {\frac{3}{4}}[/tex], that is, a fraction, the denominator represents the index of the radical (or commonly known as the root nth of the radical), and the numerator represents the number to which the radicand (the part of the expression inside the radical sign) is about to be raised.

Looking at [tex]\\ 6x^{\frac{3}{4}}[/tex], the index (root) of the radical is 4 and the numerator raises the value of x to the third power, that is,  [tex]\\ x^{3}[/tex]. That explains the answer: six (6) times [tex]\\ \sqrt[4]{x^{3}}[/tex]. The six (6) only multiplies the expression.

Likewise, a radical of index 5, with a radicand [tex]\\ (x + 8)[/tex] raised to the ninth power is represented by  [tex]\\ \sqrt[5]{(x + 8)^{9}}[/tex], which is equivalent to [tex]\\ (x+8)^{\frac{9}{5}}[/tex].

By the way, a particular case is when the index is 2, that is, [tex]\\ x^{\frac{1}{2}}[/tex]. Here, the number 2 is omitted from the radical symbol and is represented by [tex]\sqrt{x}[/tex].

Boat takes 3 hours to go 6 miles upstream. it can go 18 miles downstream in the same time. find the rate of the current and the rate of the boat in still water

Answers

Find the MPH of the boat when it goes upstream... 3h / 6m = 1h / 2m
So, 2mph
Speed of the boat - current = 2mph - > x - y = 2
Find the MPH of the boat going downstream... 3h / 18m = 1h / 6m
So, 6mph
x + y = 6
We now have a system of equation, let's solve it!

x - y = 2 -> x = y + 2
x + y = 6  - >  (y + 2) + y = 6  ->  2y + 2 = 6   ->   2y = 4    ->   y = 2
This is the speed of the current!
Subtitute y = 2 in the first equation:
x - 2 = 2
x = 4
This is the speed of the boat
Rate of the current = 2mph
Rate of the boat in still water = 4mph

A small school has 55 students. if 10 of the students are boys what is the ratio of girls to boys

Answers

For every one boy, there is five and a half girls
55-10=45 girls. 45 girls to 10 boys simplifies to 9 girls to 2 boys (the answer is 9:2)

Jessica made 2 pounds of fudge. How many 1/6 -pound servings are in the 2 pounds of fudge?

Answers

12 because 2 divided into 1/6 will be 2 times six because your will flip the reciprocal and you'll get 12

Using the knowledge of fractions, the number of 1/6-pound servings in 2 pounds of fudge is: 12.

What are Fractions?

Fractions are numbers that represent part of a whole number. They have a denominator and a numerator.

The fraction of a pounds servings is given as 1/6.

Therefore, number of 1/6 pound servings in 2 pounds of fudge would be:

2 ÷ 1/6 = 2 × 6/1 = 12.

Learn more about fractions on:

https://brainly.com/question/78672

#SPJ

A 10 foot ladder reaches a window 8 feet above the ground, how far from the wall is the base of the ladder

Answers

Final answer:

To find the distance from the wall to the base of the ladder, use the Pythagorean theorem. The distance is 6 feet.

Explanation:

To find the distance from the wall to the base of the ladder, we can use the Pythagorean theorem. The ladder, the ground, and the wall form a right triangle. Let's call the distance from the wall to the base of the ladder x. According to the Pythagorean theorem, the square of the ladder's length (10 feet) is equal to the sum of the squares of the distances from the base of the ladder to the wall (x) and the height of the window (8 feet).

x^2 + 8^2 = 10^2

Simplifying the equation, we get:

x^2 + 64 = 100

Subtracting 64 from both sides:

x^2 = 36

Taking the square root of both sides:

x = 6

Therefore, the distance from the wall to the base of the ladder is 6 feet.

Type the domain and range values for the corresponding variables that make these relations inverses of each other.

Answers

A) -3.8 B) -2.6 C) 1.7 D) 4.4 E) 1

Answer:

The domain and range values are a) -3.8 b) -2.6 C) 1.7 D) 4.4 E) 1.0

Step-by-step explanation:

Consider the provided table:

The domain of the function becomes the range of the inverse function and the range of the function becomes the domain of the inverse function.

Now consider Figure 1:

The x value of table 1 becomes the y value of table 2 and the y value of table 1 becomes the x value of table 2.

Therefore, the domain and range values are a) -3.8 b) -2.6 C) 1.7 D) 4.4 E) 1.0

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