Quadratic Equations

Find the value of k for which x^2 - 4x + k = 0 has equal roots.

Which term must be added to x^2 + 6x to make it a perfect square?

The roots of x^2 - x = 0 are:

What is the discriminant of 2x^2 - 5x - 3 = 0?

If α and β are the roots of x^2 + bx + c = 0, then α + β equals:

If the roots of a quadratic equation are 2 and 3, the equation is:

In the equation 3x^2 = 27, the values of x are:

If c = 0 in ax^2 + bx + c = 0, then one root is always:

The nature of roots of x^2 + x + 1 = 0 is:

Which value of x satisfies x^2 - 7x + 12 = 0?

The product of roots of 5x^2 - 3x = 0 is:

If the roots of ax^2 + bx + c = 0 are reciprocal to each other, then:

The vertex of the parabola y = x^2 occurs at:

What is the constant term in the equation (x-2)(x-3) = 0?

A quadratic equation has at most how many roots?

Solve: x^2 + 2x + 1 = 0

If one root of x^2 - 4 = 0 is 2, the other root is:

The discriminant of x^2 - 6x + 9 = 0 is:

The equation x(x+1) = 0 is:

In ax^2 + bx + c = 0, if b = 0, the roots are: