Question

What is the equation of the line through (4, 5) and (0, -3)?

Answer 1

Answer: A. y= 2x-3

Step-by-step explanation: APEX,

Slope intercept equation of a line:

y = mx + b

(0, -3) is the y-intercept, so b = -3

We have

y = mx - 3

Now we use the two points to find the slope.

slope = m = (-3 - 5)/(0 - 4) = -8/(-4) = 2

y = 2x - 3