Complete the identity.x2 + 6x = ?
A. (x - 3)2 + 9
B. (x + 6)2 - 36
C. (x + 3)2 + 9
D. (x + 3)2 - 9
Answer: D
Mathematics
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, B = 
A. AB is not defined.
B. 
C. 
D. 
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Multiply.0.0088 × 0.75
A. 0.0066 B. 0.000066 C. 0.00066 D. 0.066
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Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the final expression.sin2 x(cot2 x + 1)
A. -1 B. tan2 x C. 1 D. cos2 x + 1
Mathematics
Solve the equation. Find all real solutions.x4 = 12x2 + 13
A. 1, 13
B. ±2, ± 
C. ± 
D. -1, -13
Mathematics