Mathematics
NULL
Medium
Question
Find the roots of the quadratic equation: 2x² + 5x + 2 = 0.
A
-2, -1/2
✓ Official correct answer
B
4, -1
C
4, 1
D
-2, 5/2
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
-2, -1/2
No member explanations yet for this option.
B
4, -1
No member explanations yet for this option.
C
4, 1
No member explanations yet for this option.
D
-2, 5/2
No member explanations yet for this option.
Explanation
(2x + 1)(x + 2) = 0 ⇒ x = −2, −1/2.