📅2026 FAFSA Deadline: June 30, 2026→
7

Set 5: Polynomial Functions (Intermediate)

Explanation

Answer: C

PROBLEM

Subtract: (7x + 9) - (3x + 4). What is the coefficient of x in the result?

Subtract: (7x + 9) - (3x + 4). What is the coefficient of x in the result?

A.

6

B.

8

C.

4

✓ Correct
D.

3

Detailed Explanation

Choice C is the best answer. (7x + 9) - (3x + 4) = 4x + 5. Coefficient of x is 4.

Why others are wrong:
A: 6 is incorrect because it does not satisfy the equation.
B: 8 is incorrect because it does not satisfy the equation.
D: 3 is incorrect because it does not satisfy the equation.
← PreviousNext →