Find the vertex and focus of the parabola from the given equation and select its graph.
?
?
A. Vertex: (0,0)
Focus: (-
,0)
B. Vertex: (0,0)
Focus: (0,-
)
C. Vertex: (0,0)
Focus: (
,0)
D. Vertex: (0,0)
Focus: (0,
)
E. Vertex: (0,0)
Focus: (
,0)
Answer: E
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Solve.How many 
inch by 
inch tiles are needed to cover three walls of a shower if two walls are 3 feet 1 inch wide and one wall is 3 feet 8 inches wide and the shower is 6 feet 7 inches tall? Assume the size of the tile includes grout. Round up to the next whole number.
What will be an ideal response?
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A. No B. Yes
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the polar axis
A. has symmetry with respect to polar axis B. may or may not have symmetry with respect to polar axis