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