## DallasLifeBaby01 one year ago i just need the answers for these questions 1. What is the equation of the line that has a slope of 4 and a y-intercept of -7? 2.What is an equation of the line that passes through (0, 8) and (4, 0)?

1. Astrophysics

That's not how it works here...

2. DallasLifeBaby01

I'm not using them for work

3. Astrophysics

We don't know that also, you should be able to do the second one, as you've asked several questions similar to it, $m = \frac{ y_{2}-y _{1} }{ x _{2}-x _{1} }$ m is the slope, and your $(x_1, y_1)~~~ (x_2,y_2)$ are given respectively. For the first one use y = mx+b where m is slope and b is the y - intercept, this is the equation of a line.

4. batman19991

1) y=mx+b m=slope, so m=4 then plug in the x and y to find b, like so: -2=4(0)+b b=-2 SO y=4x-2

5. batman19991

i think idk

6. Astrophysics

That's wrong, but you should let @DallasLifeBaby01 try it out on their own

7. batman19991

i never said i was good at math

8. DallasLifeBaby01

lol thats ok

9. DallasLifeBaby01

I'm working it out

10. batman19991

haha ok