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What is the L.C.M. of the polynomials x^2 - 1 and x^2 - 4?

A. (X - 1)(X + 1)(X - 2)(X + 2)
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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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If the roots of the quadratic equation x² + px + q = 0 are 3 and -2, what is the value of p?

A. -1
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If the quadratic equation x² - 6x + 8 = 0 is solved, what are the roots?

A. 2 AND 4
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For the quadratic equation 2x^2 - 4x + k = 0 to have real roots, what must be the condition on k?

D. K ? 8
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