Question

What is an equation of the line that passes through the points (-2,1) and (-8,4)​

Answer 1

y = -1/2 x

Explanation:

slope = Δy / Δx

= 4 - 1 / -8 - (-2)

= 3 / -6

m = - 1/2

y = mx + b

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

1 = 1 + b

b = 0

eqn of the line : y = -1/2 x