If x = 3 and y = -2; what is the value of x² - y²?
Difficulty: Medium
About this MCQ
Medium ACT item. Correct choice: A. 5.
- A. 5 ✓
- B. 13
Why not B: “13” is not 5.
- C. 1
Why not C: “1” is not 5.
- D. -5
Why not D: “-5” is not 5.
Correct answer
A. 5
Explanation
5 (option A) is the accepted answer to “If x = 3 and y = -2; what is the value of x² - y²”. Option B (13) is a different value from 5. Option C (1) is a different value from 5. Option D (-5) is a different value from 5. Keep 5 as the ACT fact for this stem.
Source: Original practice question; MCQsHub
Tags: Math, Algebra, American Exams, ACT
Submitted by: MCQsHub Editorial
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