Question

find the value of x so that the line passing through (-2 7) and (x 2) has a slope of -1/3

Answer 1

(-1/3) = (7-2)/(-2-x)

Solve for x.

Answer 2

If you need help just say so and I can walk you through it.

Answer 3

I could use some help with that..

Answer 4

Alright well with the equation I provided the first thing we want to do is multiply both sides by (-2-x). So we get something that looks like

(-1/3)*(-2-x) = 7-2

Use distributive property on (-1/3)*(-2-x). Do this and then tell me what you get. If you are unable to do this then I will explain it for you.

Answer 5

Uuh alright well you want me to just answer it for you?

Answer 6

please

Answer 7

Alright.

Well when you distribute it out you should get

(2/3) + (x/3) = 7-2
(2/3) + (x/3) = 5
Minus (2/3) from both sides so you get
x/3 = 13/3
Multiply both sides by 3 and you get
x=39/3 which equals 13.

So x = 13.

To confirm that this is the correct answer, use the slope formula

m = (7-2)/(-2-13) which comes out with m= -1/3 which is the correct answer.

Answer 8

thank you!