Set 4: Linear Functions (Intermediate)

**Choice A is the best answer.** Slope = (10-2)/(3-(-1)) = 8/4 = 2

Explanation

Answer: A

PROBLEM

What is the slope of a line passing through (-1, 2) and (3, 10)?

A.

2

✓ Correct

B.

3

C.

4

D.

1

Detailed Explanation

Choice A is the best answer. Slope = (10-2)/(3-(-1)) = 8/4 = 2

Why others are wrong:

B: 3 is incorrect because it does not satisfy the equation.

C: 4 is incorrect because it does not satisfy the equation.

D: 1 is incorrect because it does not satisfy the equation.