Question

What is the equation of the line that includes points (25, 100) and (15, 120)

Answer 1

y = -2x + 150

Explanation:

y2 - y1 / x2 - x1

120 - 100 / 15 - 25

20 / -10

= -2

y = -2x + b

100 = -2(25) + b

100 = -50 + b

150 = b