Mathematics
If is a root of the quadratic equation 4x<sup>2</sup> - 4kx + k + 5 = 0 , then the value of k is 1. -6 2. -3 3. 3 4. 6
Related Questions
If twice the area of a smaller square is subtracted from the area of a larger square, the result is 14cm2. However, if twice the area of the larger square is added to three times the area of the smaller square, the result is 203 cm2. Determine the sides of two squares.
Which of the following is not a quadratic equation?
- (x + 2)2 = 2(x + 3)
- x2 + 3x = (-1)(1 - 3x)
- (x + 2)(x - 1) = x2 - 2x - 3
- x3 - x2 + 2x + 1 = (x + 1)3
The roots of the equation x2 - 3x - 10 = 0 are
- 2, -5
- -2, 5
- 2, 5
- -2, -5