Factor the polynomial completely using the trial and error method.-45y2 + 32x2 + 4xy
A. (4x - 9y)(8x - 5y)
B. (8x - 5y)(4x + 9y)
C. (4x + 5y)(8x - 9y)
D. (4x - 5y)(8x + 9y)
Answer: C
Mathematics
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Solve the equation. The letters a, b, and c are constants.
+ 
= c, a ? 0, b ? 0, a ? -b
A. x = 
B. x = 
C. x = 
D. x = abc
Mathematics
Complete the ordered pairs. Then graph the equation by plotting the points and drawing a line through them.y = -x - 7(0, ), ( , 0), (1, )
A. (0, 7), (7, 0), (1, 6)
B. (0, -7), (7, 0), (1, -6)
C. (0, 7), (-7, 0), (1, 8)
D. (0, -7), (-7, 0), (1, -8)
Mathematics
Graph the function.y = 2 cot x
A. 
B. 
C. 
D. 
Mathematics
Compute the integral.
?
?
A. 60 B. 15 C. -52 D. 780 E. 117
Mathematics