🧠 GRE Exam Prep

A circle has center (3, 4) and passes through the origin. What is the radius?

A 5
B 7
C √7
D 25

✓ Correct Answer: Option A

Distance from (3,4) to (0,0) = √(9+16) = √25 = 5.

💡 Why is A) the correct answer?

The correct answer to the question "A circle has center (3, 4) and passes through the origin. What is the radius?" is Option A: 5.

The other options — B) 7, C) √7, D) 25 — are incorrect for this GRE Exam Prep question. As explained above: Distance from (3,4) to (0,0) = √(9+16) = √25 = 5.

📚 About This GRE Exam Prep Practice Question

This 2-level GRE 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 GRE Exam Prep practice test or use flashcards for spaced repetition review.

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