🦷 DAT Exam Prep

What is the slope of a line perpendicular to y = 2x + 1?

A 2
B −1/2
C 1/2
D −2

✓ Correct Answer: Option B

Perpendicular slopes are negative reciprocals. Slope of given line = 2, so perpendicular slope = −1/2.

💡 Why is B) the correct answer?

The correct answer to the question "What is the slope of a line perpendicular to y = 2x + 1?" is Option B: −1/2.

The other options — A) 2, C) 1/2, D) −2 — are incorrect for this DAT Exam Prep question. As explained above: Perpendicular slopes are negative reciprocals. Slope of given line = 2, so perpendicular slope = −1/2.

📚 About This DAT Exam Prep Practice Question

This 2-level DAT Exam Prep question from the Quantitative Reasoning topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free DAT Exam Prep practice test or use flashcards for spaced repetition review.

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