Factor, if possible.5x2y2 - 27xy - 56
A. (5xy - 7)(xy + 8)
B. (5xy + 7)(xy - 8)
C. (5xy + 8)(xy - 7)
D. (5x + 8y)(x - 7y)
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Find the area under the curve over the indicated interval.
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Complete the trinomial so it is a perfect square.x2 + 
x + 
A. 
B. 
C. 
D. 
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Find the vertex of the parabola associated with the quadratic equation.y = x2 + 2x + 8
A. (1, 8) B. (1, 7) C. (-1, 8) D. (-1, 7)
Mathematics