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

B. 8
Posted in:  Quadratic Equations -  Algebra -  Mathematics

Solve the quadratic equation x^2 - 4x - 5 = 0. What is the sum of the roots?

B. 4
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

What is the product of the roots of the quadratic equation 3x² - 12x + 9 = 0?

C. 1
Posted in:  Quadratic Equations -  Algebra -  Mathematics

If the equations 3x + 4y = 12 and 6x + 8y = 24 are solved, what can be concluded about their solutions?

C. THEY HAVE INFINITELY MANY SOLUTIONS.
Posted in:  Linear Equations -  Algebra -  Mathematics

Which of the following quadratic equations has roots that are equal?

A. X^2 - 4X + 4 = 0
Posted in:  Quadratic Equations -  Algebra -  Mathematics