Question

Write an equation in point slope form and slope intercept form for the line that passes through (-1,2) and has a slope if -1/2

Answer 1

Y= - 1/2x + 1.5 or y= - 0.5x + 1.5

Y= - 1/2x + c

Substitute x = - 1 & y=2

2= - 0.5 x - 1 + c

2= 0.5 + c

- 0.5 both side

1.5 =c