SAT Math Multiple Choice Question 110: Answer and Explanation

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Question: 110

5. Which of the following is equivalent to 2x2 - 6x - 8 ?

  • A. 2(x - 4)(x + 1)
  • B. 3(x + 4)(x - 1)
  • C. 2(x - 3)(x + 2)
  • D. 3(x - 4)(x - 2)

Correct Answer: A

Explanation:

A This question requires factoring the expression 2x2 - 6x - 8. Begin by factoring 2 from the expression: 2(x2 - 3x - 4). This expression is further factorable, giving 2(x - 4)(x + 1), which is (A).

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