Solve the equation by completing the square.x2 - 4x - 7 = 0

A. {-2 - , -2 + }
B. {4 - , 4 + }
C. {2 - , 2 + }
D. {2 - , 2 + }


Answer: C

Mathematics

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A. Yes; , 50
B. No
C. Yes; 
D. Yes; , 49

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Factor the trinomials that are perfect-square trinomials. If it is not a perfect square, respond "not a perfect square."x2 + 12xy + 36y2

A. not a perfect square B. (x - 6y)2 C. (x + 6y)2 D. (x + 6y)(x - 6y)

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State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = x4/3 - x6 + 1

A. Yes; degree 4 B. No; x is raised to non-integer 4/3 power C. Yes; degree 6 D. Yes; degree 4/3

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Find the prime factorization of the number.201

A. 3 ? 3 B. 3 ? 65 C. 3 ? 67 D. 3 ? 3 ? 67

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