What are the roots of ?
Answer and explanation
Correct answer: A. and
- Step 1: Factor: . Step 2. Set each factor to zero. **Answer: and . Why not the others:** the other pairs fail Vieta's relations: the sum must be and the product .
Practise more Algebra, Calculus, Geometry and Probability.
Free questions with an explanation for every one, and full timed Bacalaureat Moldova mock tests.