Question

What is the slope-intercept form of the equation of the line that passes through the points (2, 7) and (4, −1)?

Answer 1

y = -4x + 15

Explanation:

slope = (-1 -7)/(4-2) = -8/2 = -4

y = mx + b

7 = -4(2) + b

15 = b

y = -4x + 15