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8 Cards in this Set
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What is the distance formula?
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What is the midpoint formula?
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What is the standard equation of a circle?
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(x - h)² + (y-k)² = r²
The center is (h,k), r is radius. |
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What is the standard equation for a parabola that opens up or down?
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y - k = 1/4p(x-h)²
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What is the standard equation for a parabola that opens left or right?
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x - h = 1/4p(y-k)²
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What determines whether or not the 1/4p is positive or negative?
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If it opens up or right, it's positive, but if it opens left or down, it's negative.
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What does p stand for in parabolas?
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The distance from the vertex to the focus OR directrix.
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ELLIPSE
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LALALA
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