4

Set 4: Linear Inequalities (Beginner)

Explanation

Answer: D

PROBLEM

Solve: 9x <= 45. Which is NOT a solution?

Solve: 9x <= 45. Which is NOT a solution?

A.

4

B.

3

C.

5

D.

6

✓ Correct

Detailed Explanation

Choice D is the best answer. x <= 5, so 6 is not a solution

Why others are wrong:
A: 4 is incorrect because it does not satisfy the equation.
B: 3 is incorrect because it does not satisfy the equation.
C: 5 is incorrect because it does not satisfy the equation.