Factor the expression completely. If the polynomial is prime, state this as your answer.64x2 + 144x + 81
A. (8x + 9)2
B. (8x - 9)2
C. (8x - 10)2
D. (8x + 9)(8x - 9)
Answer: A
Mathematics
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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 + sin2 x cot2 x
A. cot2 x + 1 B. cot2 x - 1 C. 1 D. sin2 x + 1
Mathematics
Determine the name of the polygon.
A. Quadrilateral B. Octagon C. Hexagon D. Pentagon
Mathematics
Factor the four-term polynomial by grouping.6x + 54 + xy + 9y
A. (y + 9)(x + 6) B. (y + 9)(6x + y) C. (x + 9)(6 + y) D. (x + 9y)(6 + y)
Mathematics
Complete the identity.tan 2x = ?
A. - 
B. 
C. 
D. 
Mathematics