Solve by using the quadratic formula.x2 + 6x - 7 = 0

A. - 7, 1
B. -7, 0
C. 7, -1
D. 7, 1

Answer: A

Mathematics

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A. -  
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A. -60, 60 B. -31, 31 C. -30, 30 D. -32, 32

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Express the statement as an equation involving the indicated variables.The volume V of a cube is the cube of the length x of a side.

A. V = x2
B. V = 
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Find the center, foci, and vertices of the ellipse. +   = 1

A. center at (0, 0)
foci at (-7, 0) and (7, 0)
vertices at (-49, 0), (49, 0)
B. center at (0, 0)
foci at (- 3, 0) and (3, 0)
vertices at (-7, 0), (7, 0)
C. center at (0, 0)
foci at (0, -2) and (0, 2)
vertices at (0, -4), (0, 4)
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foci at (0, - 3) and (0, 3)
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