Find an equation for the conic. If the conic is a parabola, assume that the vertex is at the origin. If the conic is an ellipse or hyperbola, assume that it is centered at the origin.Focus at (0, -7) and e = 1

A. y = - x2
B. y = x2
C. y = - x2
D. x = - y2


Answer: C

Mathematics

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Solve the problem.Calculate the difference between the maximum and minimum temperature in February for North Town.

A. 16°F B. 15°F C. 24°F D. -15°F

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Identify the base of the exponential expression: 2(5)^x

What will be an ideal response?

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Solve the problem.Scranton University has an annual budget of $ million and Melmac University has an annual budget of $1 million. Which university has the higher annual budget?

A. Scranton University with $1 million is higher.
B. Scranton University with $ million is higher.
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D. Melmac University with $1 million is higher.

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Write a numerical expression for the phrase and simplify it.The quotient of -112 and the sum of 12 and 4

A. -112 + 12 + 4; -96
B. ; 7
C. ; -7
D. ; - 

Mathematics