PSAT Math Multiple-Choice Question 5: Answer and Explanation
Question: 5
If - 3 = 9, which of the following is a possible value of s?
- A. 12
- B. 36
- C. 81
- D. 144
Correct Answer: D
Explanation:
D
The question asks for a possible value of a variable. Solve for s. To begin to isolate s, add 3 to both sides to get = 12. Square both sides of the equation to get s = 144. The correct answer is (D).
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