Question

475

A line passes through the points (-5, 2) and (10, -1). Which is the equation of the line?
O y=-3x+1
o y = x+3
O y = -5x – 23
O y = 5x + 27

Answer 1

y = -1/5x + 1

Explanation:

y2 - y1 / x2 - x1

-1 - 2 / 10 - (-5)

-3 / 15

= - 1/5

y = -1/5x + b

2 = -1/5(-5) + b

2 = 1 + b

1 = b