Solve.x2 - y2 = 39x - y = 3
A. (8, 5)
B. (8, -5)
C. (-8, -5)
D. (-8, 5)
Answer: A
Mathematics
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What will be an ideal response?
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Factor out the largest possible common factor.x(y + 2) + 9(y +2)
A. (y +2)(x + 9) B. 2y(x + 9) C. (xy + 2x) + (9y + 18) D. 9x(y +2)
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Use the graph to estimate any solutions to the given equation on the interval cos2x =
A. ,
,
,
B. , ? ,
C. ,
D. 0, ?
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Divide, when possible.
A. 5 r5 B. 7 C. 5 r4 D. 6
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