Question 98625
Which equation is graphed? 
a. y=-x^2+2x-1
This is a parabola opening downward
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b. x=-y^2+2y-1
This is a parabola opening to the left
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c. y=x^2-2x+1
This is a parabola opening upward
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d. x=y^2-2y+1
This is a parabola opening to the right
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Cheers,
Stan H.