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Using a Calculator to Solve an Equation

Learn how to find the coordinates of curve intersections using a calculator and solving equations on the left and right sides. Follow the steps provided to accurately solve for x coordinates.

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Using a Calculator to Solve an Equation

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  1. Using a Calculator to Solve an Equation

  2. Calculator Function: Finding an Intersection of Two Curves To find the coordinates of the intersection(s) of two curves: • Press 2nd and TRACE (CALC) • Select 5:interesect • When each direction is satisfied, hit ENTER

  3. Calculator & Solving Equations Method 1: Enter – Calculator Function – Intersection Left Side Right Side There are two intersections, so there are two solutions. CALC: intersect You are trying to solve for x, so we can ignore the y-values. OR x-coordinates!

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