Solve for x: x² - 12x + 35 = 0
Difficulty: Medium
About this MCQ
Medium GMAT item. Correct choice: C. x = 5 or x = 7.
- A. x = 5 or x = 8
Why not A: “x = 5 or x = 8” is not x = 5 or x = 7.
- B. x = -5 or x = -7
Why not B: “x = -5 or x = -7” is not x = 5 or x = 7.
- C. x = 5 or x = 7 ✓
- D. x = 6 or x = 6
Why not D: “x = 6 or x = 6” is not x = 5 or x = 7.
Correct answer
C. x = 5 or x = 7
Explanation
x = 5 or x = 7 (option C) is the accepted answer to “Solve for x: x² - 12x + 35 = 0”. Option A (x = 5 or x = 8) is a different value from x = 5 or x = 7. Option B (x = -5 or x = -7) is a different value from x = 5 or x = 7. Option D (x = 6 or x = 6) is a different value from x = 5 or x = 7. Keep x = 5 or x = 7 as the GMAT fact for this stem.
Source: Original practice question, MCQsHub
Tags: Math, Algebra, American Exams, GMAT
Submitted by: MCQsHub Editorial
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