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x^2 + y^2 = 4 and 2x^2 - y^2 = 8
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x^2 - y = 4 and
x + y = -2
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Systems with Two
Equations and Three Variables
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Finding the Inverse
of a Function with a Restricted Domain
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Finding Equations
of Inverses
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Quadratic Models
and Curve Fitting
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Find the axis and
the vertex of a parabola
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Graphing a
Quadratic Function Summary
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Graphing a parabola
by completing the square
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Graph f(x) = x^2 -
4x - 2
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