Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(x - 7y)(x + 2y)
A. x2 - 5xy - 14y2
B. x2 - 5xy - 5y2
C. x - 5xy - 14y
D. x2 - 8xy - 14y2
Answer: A
Mathematics
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at the point (2, 1) for ln x + xy2 + ln y = 0.
A. - 
B. 
C. -1
D. 1
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Solve the system by elimination.
A. (3, 3) B. (1, -3) C. (-3, - 3) D. (-1, 3)
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Express the number in terms of j.
A. 7j
B. -j
C. -7j
D. j
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Write as a decimal.388%
A. 38.8 B. 3.88 C. 3.89 D. 0.388
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