Question

2 Points

The slope of a graphed line is -9 and the y-intercept is (0, -2). What is the
slope-intercept equation of the line?
O A. y = -9x-2
O B. y=-2x - 9
O c. y=9x-2
O d. y = 2x+ 9
SUBMIT​

Answer 1

A. y = -9x - 2

Explanation:

The slope-intercept form of an equation of a line:

y = mx + b

m - slope

b - y-intercept (0, b)

We have the slope m = -9 and the y-intercept (0, -2) → b = -2.

Substitute:

y = -9x + (-2) = -9x - 2