A line passes through (0, 0) and (3, 6). What is its equation?

A y = 3x

B y = 2x

C y = 6x

D y = x + 3

✓ Correct Answer: Option B

Slope = (6−0)/(3−0) = 2. y-intercept = 0. Equation: y = 2x.

💡 Why is B) the correct answer?

The correct answer to the question "A line passes through (0, 0) and (3, 6). What is its equation?" is Option B: y = 2x.

The other options — A) y = 3x, C) y = 6x, D) y = x + 3 — are incorrect for this ACT Exam Prep question. As explained above: Slope = (6−0)/(3−0) = 2. y-intercept = 0. Equation: y = 2x.

📚 About This ACT Exam Prep Practice Question

This 1-level ACT Exam Prep question from the Mathematics 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 ACT Exam Prep practice test or use flashcards for spaced repetition review.

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A line passes through (0, 0) and (3, 6). What is its equation?

✓ Correct Answer: Option B

📚 About This ACT Exam Prep Practice Question

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