Entry Exam Category: High School Equivalency Exams
Course: General Education Development (GED)
Exam: GED Math practice test
Practice Question
Multiply (5x - 1)(5x - 1)
Answer Choices
- A: 25x^2 + 1
- B: 25x^2 - 1
- C: 25x^2 - 2x + 1
- D: 25x^2 - 10x + 1
Correct Answer: D
Rationale: Use the FOIL method: (5x - 1)(5x - 1) = (5x)^2 - 5x - 5x + 1 = 25x^2 - 10x + 1. Thus, the correct answer is 25x^2 - 10x + 1.