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Practice problem

Solving Linear-Quadratic Systems by Substitution

By Taylor Evans
+4 contributors
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Quadratic graph of x = (y+1)^2 and linear graph x = 9.

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Using the information above, find the coordinates of the blue points. x=9x=(y+1)2\begin{array}{rcl} x&=& 9 \\ x &=& (y + 1)^2 \end{array}

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