# Figure for in 30 in x 93 farmers delight the manager

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Chapter 10 / Exercise 70
Calculus
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Figure for Exercise 88Height (ft)246810200300400Time (sec)00100dug22241_ch10a.qxd 11/10/2004 18:30 Page 638
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Chapter 10 / Exercise 70
Calculus
Stewart Expert Verified
10-2310.3Graphing Parabolas639Finding Ordered PairsIt is straightforward to calculate ywhen given xfor an equation of the form yaxbxc. However, if we are given yand want to find x, then we must use methods forsolving quadratic equations.The Vertex and InterceptsApplicationsE X A M P L E 1Finding ordered pairsComplete each ordered pair so that it satisfies the given equation.a)(2,), (, 0), yx2xb)(0,), (, 20), y16x248x84210.3Graphing ParabolasThe graph of any equation of the form ymxbis a straight line. In this sectionwe will see that all equations of the form yax2bxc(with a0) have graphsthat are in the shape of a parabola.In this SectionFinding Ordered PairsGraphing Parabolas6Solution
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