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Which of the following equations has roots that are equal?

A. X² - 4X + 4 = 0
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If the quadratic equation x² + 4x + k = 0 has roots that are real and distinct, what must be the condition on k?

B. K > 4
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A quadratic equation has roots 4 and -2. What is the value of the coefficient b in the equation x^2 + bx + c = 0?

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

A. 2X
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Using the Remainder Theorem, what is the remainder when the polynomial f(x) = x^3 - 4x^2 + 6 is divided by x - 2?

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