What is the slope of the line y = -4x + 9?
Pick an answer
Correct!
Not quite. The correct answer is highlighted.
Correct answer to question 155 (Mathematics Knowledge): -4
Method
In slope-intercept form y = mx + b, the coefficient m is the slope, so here the slope is -4.
Updated: November 2026
Raise your AFQT scoreFree for iPhone and Android
