SAT Math Multiple Choice Question 163: Answer and Explanation
13. For which of the following values of w does ?
- A. 2
- B. 3
- C. 4
- D. 6
Correct Answer: B
B Taking the 4th root of a number is the same as taking the number to the power. Therefore, the equation can be rewritten as . Divide both sides by 2 to get . Therefore, in the equation and , so w = 3. The correct answer is (B).