Question
Mathematics Question on Quadratic Equation
For what value of k, does the quadratic equation 9x2+3x+4= 0, have equal roots?
A
±2
B
±3
C
±4
D
±9
Answer
±4
Explanation
Solution
The correct option is (C): ±4
For what value of k, does the quadratic equation 9x2+3x+4= 0, have equal roots?
±2
±3
±4
±9
±4
The correct option is (C): ±4