If the roots of the quadratic equation x² - 5x + k = 0 are real and equal, what is the value of k?

A. 6.25
Posted in:  Quadratic Equations -  Algebra -  Mathematics

What is the sum of the roots of the quadratic equation x² - 5x + 6 = 0?

A. 5
Posted in:  Quadratic Equations -  Algebra -  Mathematics

For the quadratic equation 2x² + 4x + k = 0 to have real roots, what must be the condition on k?

C. K ? -8
Posted in:  Quadratic Equations -  Algebra -  Mathematics

What is the H.C.F. of the polynomials 2x^2 + 4x and 4x^2 + 8x?

A. 2X

If the roots of the quadratic equation ax^2 + bx + c = 0 are 3 and 4, what is the value of a if b = -7 and c = 12?

A. 1