SAT Math Multiple Choice Question 277: Answer and Explanation
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
Correct Answer: A
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: