Find the vertices of the ellipse.25x2 + y2 - 450x + 2000 = 0
A. (9, 2
), (9, -2
)
B. (5, 9), (5, -9)
C. (5, 4
), (5, -2
)
D. (9, 5), (9, -5)
Answer: D
Mathematics
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Round the number as indicated.34,939 to the nearest ten-thousand
A. 3 B. 30,000 C. 40,000 D. 34,930
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Evaluate the expression.(-9)(-9)(-9)
A. 729 B. -729 C. -719 D. -739
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Solve.A stove sells for $731. If the sales tax rate is 7.9%, what is the total price?
A. $57.75 B. $788.75 C. $1308.49 D. $577.49
Mathematics
Combine like terms.8xy + 5y2 - 4xy + 8x2
A. -32xy + 40x2y2 B. 17x2 + 17xy + 17y2 C. 8x2 + 4xy + 5y2 D. 4xy + 40x2y2
Mathematics