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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

If the roots of the quadratic equation 2x² + 3x + k = 0 are real and equal, what is the value of k?

A. -4.5
Posted in:  Quadratic Equations -  Algebra -  Mathematics

If the roots of the quadratic equation 2x² + 3x + k = 0 are real and equal, what is the value of k?

A. -4.5
Posted in:  Quadratic Equations -  Algebra -  Mathematics

If one root of the quadratic equation x^2 + 4x + k = 0 is twice the other root, what is the value of k?

A. -8
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