3

Set 3: Linear Functions (Intermediate)

Explanation

Answer: D

PROBLEM

If the y-intercept is 4 and x-intercept is 2, what is the slope?

If the y-intercept is 4 and x-intercept is 2, what is the slope?

A.

-4

B.

2

C.

0.5

D.

-2

✓ Correct

Detailed Explanation

Choice D is the best answer. Slope = (0-4)/(2-0) = -4/2 = -2

Why others are wrong:
A: -4 is incorrect because it does not satisfy the equation.
B: 2 is incorrect because it does not satisfy the equation.
C: 0.5 is incorrect because it does not satisfy the equation.