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A quadratic function \$ax^2+bs+c\$ is given. Six parabolas are sketched. Question is to select the correct parabola.  Need to consider the y-intercept, the coefficient of x^2, and the x-coordinate of the minimum/maximum point.

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See 4.1 and 4.2 for background and examples.

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{plot(0,a[0],b[0],c[0])}

", "

{plot(0,-a[0],b[0],c[0])}

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{plot(0,a[0],-b[0],c[0])}

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{plot(0,a[0],b[0],-c[0])}

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Sketch a graph of the quadratic \$\\simplify[basic,unitFactor]{y = {a[0]}x^2+{b[0]}x+{c[0]}}\$.  Hence, which of the following is the graph of this quadratic?

\n

\n

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{plot(0,a[1],b[1],c[1])}

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{plot(0,-a[1],b[1],c[1])}

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{plot(0,a[1],-b[1],c[1])}

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{plot(0,a[1],b[1],-c[1])}

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Sketch a graph of the quadratic \$\\simplify[basic,unitFactor]{y = {a[1]}x^2+{b[1]}x+{c[1]}}\$.  Hence, which of the following is the graph of this quadratic?

\n

\n

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