Solve for x. Assume that a and b represent positive real numbers.x2 = 100b

A.
B.
C.
D. {-10b, 10b}

Answer: C

Mathematics

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Graph the line.2x - y - 9 = 0

A.

B.

C.

D.

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Factor out the GCF from the polynomial.s(t2 - 3) + 5(t2 - 3)

A. (t2 - 3)(s + 5) B. (st2 - 3s) + (5t2 - 15) C. 5s(t2 - 3) D. (t2 - 3)(s - 5)

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Find the exact solutions to the quadratic equation in the complex numbers.x2 + 225 = 0

A. ±15 B. -112.5i C. 15i D. ±15i

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Write the equation in vertex form. Identify the vertex.y = x2 + 5x + 2

A. y = (x + 5)2 - 23; (5, 23)
B. y = 2 - ; 
C. y = 2 - ; 
D. y = (x + 5)2 - 23; (-5, 23)

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