2010 · Q39
If one root of the equation ax2 +x-3 = 0 is -1, then what is the other root?
Elementary MathematicsAlgebra
- A¼
- B½
- C¾
- D1
Explanation
a=4 from x=-1; product=-3/4, so other root=3/4.
If one root of the equation ax2 +x-3 = 0 is -1, then what is the other root?
Explanation
a=4 from x=-1; product=-3/4, so other root=3/4.