Question

select the eqaution that passes through the point (1,-1) and has a slope of 4 (a.y+1=4x-1) (b.y-1=4x+1) c y-1=(x+1) and d y+1=4(x-1)​

Answer 1

Explanation:

y - y1 = m(x - x1)

(1,-1)....x1 = 1 and y1 = -1

slope(m) = 4

now sub

y - (-1) = 4(x - 1) =

y + 1 = 4(x - 1) <=====