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

A. 2X
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

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

A. 5
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

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

If the quadratic equation x^2 - 6x + 8 = 0 has roots r1 and r2, what is the value of r1 + r2?

B. 6
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics