Mathematics
Medium
Question
If the roots of a quadratic equation are 20 and -7, then find the equation?
A
x2 + 13x – 140 = 0
B
x2 – 13x + 140 = 0
C
x2 – 13x – 140 = 0
✓ Official correct answer
D
x2 + 13x + 140 = 0
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
x2 + 13x – 140 = 0
No member explanations yet for this option.
B
x2 – 13x + 140 = 0
No member explanations yet for this option.
C
x2 – 13x – 140 = 0
No member explanations yet for this option.
D
x2 + 13x + 140 = 0
No member explanations yet for this option.