SAT Math Multiple Choice Question 277: Answer and Explanation

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Test Information

Question: 277

7. If such that a ≠ 1 and w ≠ 0, what is w in terms of a?

  • A. 4a - 4
  • B. 4a - 12
  • C. 12a - 4
  • D.

Correct Answer: A

Explanation:

A

Difficulty: Medium

Category: Passport to Advanced Math / Exponents

Strategic Advice: Whenever an equation involves two fractional expressions set equal to each other, you can cross-multiply to solve. As you work through the algebra, don't skip steps. This will keep you from forgetting to distribute numbers and/or negative signs.

Getting to the Answer:

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