Quadratic Functions

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Calculus - Geometry

user_hodr Created by 6 mon ago

Cards in this deck(26)

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Factor. Set each factor equal to zero. Solve each.

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Isolate the square. Take the square root of both sides. Simplify the radical if needed. (±)

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If the answer to the discriminant is positive

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If the answer to the discriminant is 0

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If the answer to the discriminant is negative

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Set y = 0

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Set x = 0 (If in standard quadratic form, it will always be c.)

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It is the y value of the vertex.

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Find the axis of symmetry(x) and substitute the x into the original equation(y).

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1. find the axis of symmetry 2. find the vertex 3. make a table 4. sketch the graph

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If the a is positive. MINIMUM

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If the a is negative. MAXIMUM

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+k

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-k

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-h

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+h

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-a

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a is a fraction less than one

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a is a number greater than one

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solution, zero, x - intercept

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