Find an equation of the line having the specified slope and containing the indicated point. Write your answer in
slope-intercept form.
-m = -3; (8, -3)
A)y = -3x + 22
B)y = -3x + 21
C)y = -3x + 19
D)y = 3x + 20

Question

Quizplus · Accepted Answer

The slope-intercept form is y = mx + b. Given m = -3 and point (8, -3), substitute into y = mx + b to find b: -3 = -3(8) + b, so b = 21. The equation is y = -3x + 21.

Find an Equation of the Line Having the Specified Slope