Refer to the information provided in Figure 1.5 below to answer the question(s) that follow. Figure 1.5
-If the slope of a straight line is -2. and if X (the variable on the horizontal axis) decreases by 8, then Y (the variable on the vertical axis) will
A) increase by 4.
B) decrease by 4.
C) increase by 16.
D) decrease by 16.

Question

Refer to the information provided in Figure 1.5 below to answer the question(s) that follow.  Figure 1.5
-If the slope of a straight line is -2. and if X (the variable on the horizontal axis) decreases by 8, then Y (the variable on the vertical axis) will
A) increase by 4. 
B) decrease by 4. 
C) increase by 16. 
D) decrease by 16.

Quizplus · Accepted Answer

The slope of a line is defined as the change in Y divided by the change in X. A slope of -2 means that for every unit decrease in X, Y increases by 2 units. If X decreases by 8 units, Y will increase by 8 * 2 = 16 units.

Refer to the Information Provided in Figure 1