Find the standard-form equation for an ellipse which satisfies the given conditions.An ellipse centered at the origin having vertex at (0, -9) and eccentricity equal to 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: A
Mathematics
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while the revenue produced from them is 
(C and R are in dollars). What is the smallest whole number of pizzas, x, that must be sold for the company to show a profit?
A. 140 B. 182 C. 40,171 D. 30,719
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Factor. Check by multiplying.48x6y8 + 48x4y6 - 72x2y3
A. 24x2(2x4y8 + 2x2y6 - 3y3) B. 24(2x6y8 + 2x4y6 - 3x2y3) C. 24x2y3(2x4y5 + 2x2y3 - 3) D. No common factor
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Solve the problem.Find f(-2) when f(x) = 2x2 - 4x - 6.
A. 22 B. -6 C. 10 D. 6
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Decide whether the statement is true or false.{4, 10, 12} ? {12, 4, 10} = {4, 12}
A. True B. False
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