If the slope of a straight line is 5 and if X (the variable on the horizontal axis) increases by 4, then Y (the variable on the vertical axis) will
A) decrease by 0.8.
B) decrease by 20.
C) increase by 0.8.
D) increase by 20.

Question

Quizplus · Accepted Answer

The slope of a line is the ratio of the change in Y to the change in X. If the slope is 5 and X increases by 4, then Y increases by 5*4 = 20.

If the Slope of a Straight Line Is 5 and If