Mathematics
Medium
Question
One root of the quadratic equation x2 – 12x + a = 0, is thrice the other. Find the value of a?
A
29
B
27
✓ Official correct answer
C
28
D
7
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
29
No member explanations yet for this option.
B
27
No member explanations yet for this option.
C
28
No member explanations yet for this option.
D
7
No member explanations yet for this option.