8
Answer: ASet 2: Polynomial Functions (Intermediate)
Explanation
PROBLEM
Subtract: (8x + 7) - (2x + 3). What is the coefficient of x in the result?
Subtract: (8x + 7) - (2x + 3). What is the coefficient of x in the result?
A.✓ Correct
6
B.
8
C.
5
D.
12
Detailed Explanation
Choice A is the best answer. (8x + 7) - (2x + 3) = 6x + 4. Coefficient of x is 6.
Why others are wrong:
B: 8 is incorrect because it does not satisfy the equation.
C: 5 is incorrect because it does not satisfy the equation.
D: 12 is incorrect because it does not satisfy the equation.