Entry Exam Category: High School Equivalency Exams
Course: General Education Development (GED)
Exam: GED Math practice test
Practice Question
Which expression is undefined over the real numbers?
Answer Choices
- A: (-3)^0
- B: 0/4
- C: |-2|
- D: (-7)^(1/2)
Correct Answer: D
Rationale: Test: A: (-3)^0 = 1; B: 0/4 = 0; C: |-2| = 2; D: (-7)^(1/2) = ˆš(-7), undefined for real numbers. Thus, the correct answer is (-7)^(1/2).