Question

What is the y coordinate of the y−intercept of the line that passes through the points
(−3, −1) and (1, 7)?

Answer 1

y= mx+c
m= (7-(-1))/(1-(-3))
m=2
y= 2x+c
put the point to get c
1=2*7+c
c=-13
so equation is
y=2x-13
y intersept is when x=0
so y=-13

Answer 2

Thank you so so much!

Answer 3

you are always welcome