The equation of a horizontal parabola is given. Determine how the parabola opens and find the parabola's vertex.x = -(y - 3)2 + 10
A. opens to left; (3, 10)
B. opens to left; (10, 3)
C. opens to left; (10, -3)
D. opens to right; (3, 10)
Answer: B
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East --9 mi-->
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