Mathematics
If x = -1/2 is a solution of the quadratic equation 3x^2 + 2kx - 3 = 0, then the value of k is: 1. -3/4 2. -5/4 3. -9/4 4. -4/5
Related Questions
Which of the following quadratic equations has 2 and 3 as its roots?
x2 - 5x + 6 = 0
x2 + 5x + 6 = 0
x2 - 5x - 6 = 0
x2 + 5x - 6 = 0
If the equation, x2 - ax + 1 = 0 has two distinct and real roots, then:
|a| ≥ 2
|a| ≤ 2
|a| > 2
|a| < 2
The positive value of k for which the equations x2 + kx + 64 = 0 and x2 - 8x + k = 0 will both have real roots, is
16
8
12
4