Question

What is the y coordinate of the y−intercept of the line that passes through the points
(−4, −1) and (4, 5)?

Answer 1

So in attempts to figure this out, you're given two points. (-4, -1) and (4,5). Usually when you're given two points, the first thing you could do is find the slope by using \[m=\frac{ y _{2}-y _{1} }{ x _{2}-x _{1} }\]

Answer 2

Y=0.75(X+1)-1
THAT m+6/8=0.75 and replace to the equation.

Answer 3

when you figure out the slope (m) you can use whichever two points you feel like and plug them into the equation \[y=mx+b\] and solve for b. your "b" value will tell you your y-intercept, so plug in your slope (m) and your (x,y) point. you should be able to solve for b

Answer 4

I'll start you off by helping you find your slope, and you do the rest! :) \[m= \frac{ y _{2}-y _{1} }{ x _{2}-x _{1}}=\frac{ 5-(-1) }{ 4-(-4) }=\frac{ 6 }{ 8 }=\frac{ 3 }{ 4 }\] now that you have the slope, use whichever two points you like and plug them into the x and y values for your equation\[y=mx+b\] and you will be able to solve for your b, which is the y-intercept you're looking for!

Answer 5

srry i was afk

Answer 6

3?

Answer 7

I got 2.

Answer 8

ok

Answer 9

Thank you for the medal abbot :)