Advanced MathEasySpotting the non-equivalent expression
Advanced Math practice question
Which of the following is NOT equivalent to 6x?
- A. x + 6Correct
- B. 2x + 4x
- C. 3(2x)
- D. 12x/2
Answer: A. x + 6
x + 6 adds 6; the others all simplify to 6x.
Why the other answers are wrong
- B. 2x + 4x
- 2x + 4x = 6x.
- C. 3(2x)
- 3 × 2x = 6x.
- D. 12x/2
- 12x ÷ 2 = 6x.
More Advanced Math questions
- Easy
If f(x) = 3x − 7, what is the value of f(5)? - Easy
What are the solutions to x² − 9 = 0? - Easy
Which of the following expressions is equivalent to x² + 7x + 12 ? - Easy
The function g is defined by g(x) = x³ + 2x. What is the value of g(−2) ? - Easy
For x > 0, which of the following is equivalent to ∛(x⁵) ? - Easy
The function h is defined by h(x) = (x − 6)(x + 2). What is one value of x for which h(x) = 0 ?
Not affiliated with the College Board. SAT is a trademark of the College Board.