Write the number in simplest form, without a negative radicand.

A. ±20
B. 20i 
C. -20i 
D. i

Answer: B

Mathematics

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Write the equation in standard form for an ellipse centered at (h, k). Identify the center and the vertices.2x2 + 5y2 - 12x + 70y + 253 = 0

A. C(-3, 7); V(-3 ± , 7);  +  = 1
B. C(3, -7); V(3 ± , -7);  +  = 1
C. C(3, -7); V(3 ± , -7);  +  = 1
D. C(-3, 7); V(-3 ± , 7);  +  = 1

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Provide an appropriate response.If a, b, and c are real numbers, is this statement true or false? 

A. True B. False

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Simplify.4[(5 - 4)2 + (18 - 16)2] + 12

A. 8 B. 68 C. 4 D. 32

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Factor the trinomial.36 - 13x + x2

A. (x - 4)(x - 9) B. (x - 4)(x + 9) C. (x - 36)(x - 1) D. (x + 4)(x + 9)

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Mathematics