What is the integral of 2x dx?

A x²

B x² + C

C 2x² + C

D x + C

✓ Correct Answer: Option B

The integral of 2x is x² + C (constant of integration). Using the power rule for integration: ∫2x dx = 2·(x²/2) + C = x² + C.

💡 Why is B) the correct answer?

The correct answer to the question "What is the integral of 2x dx?" is Option B: x² + C.

The other options — A) x², C) 2x² + C, D) x + C — are incorrect for this IB Exam Prep question. As explained above: The integral of 2x is x² + C (constant of integration). Using the power rule for integration: ∫2x dx = 2·(x²/2) + C = x² + C.

📚 About This IB Exam Prep Practice Question

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

Practice IB Exam Prep Quizzes → Browse All Questions Study Flashcards

What is the integral of 2x dx?

✓ Correct Answer: Option B

📚 About This IB Exam Prep Practice Question

Related IB Exam Prep Questions