Solve the equation by completing the square.x2 + 8x = 3

A. {-4 ± 2}
B. {-4 ± }
C. {-1 ± }
D. {4 + }


Answer: B

Mathematics

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Use the product rule to multiply. Assume all variables represent positive real numbers. ? 

A. 4
B. 2
C. 8
D. 2

Mathematics

Graph the function and its inverse using the same set of axes. Use any method.f(x) = -3log x; f-1(x) = 10x/-3

A.

B.

C.

D.

Mathematics

Find an equation of a polynomial function of least degree having the given complex zeros, intercepts, and graph.f(x) has complex zeros -i and -2i

A. f(x) = (x - 1)(x + 1)(x - 4)(x + 4)(x - 1)
B. f(x) = (x2 + 1)(x2 + 4)(x - 1)
C. f(x) = (x2 + 1)(x2 + 4)(x - 1)
D. f(x) = (x2 + 1)(x2 + 4)(x + 1)

Mathematics

Perform the indicated operation. Write the result in standard form.(7 + 7i)(2 + 6i)

A. -28 + 56i B. -28 - 56i C. 42i2 + 56i + 14 D. 56 - 28i

Mathematics