Find the root. Assume that all variables represent positive numbers.

A. 5x2
B. 9x2
C. -3x2
D. Not a real number

Answer: C

Mathematics

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Find the integral. dx

A.  + C
B. (cos-1 x)5 + C
C. 4(sin-1 x)3 + C
D.  + C

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For the polynomial, one zero is given. Find all others.P(x) = x3 - 7x2 + 15x - 25; 5

A. 1 + 2i, 1 - 2i
B. 1 + i, 1 - i
C. -1 + 2i, -1 - 2i
D. 1 + , 1 - 

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Multiply. Write the answer in simplest form.2 × 18

A. 20
B. 44
C. 324
D. 36

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Add. Find the LCD first. + 

A.
B.  
C.
D.

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Mathematics