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

A. 2X

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

B. K ? 4
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What is the sum of the roots of the quadratic equation x^2 - 5x + 6 = 0?

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

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

A quadratic equation has roots 3 and -2. What is the quadratic equation in standard form?

A. X² - X - 6 = 0
Posted in:  Quadratic Equations -  Algebra -  Mathematics