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Solving Exponential Equations by Graphing

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Solve the equation by graphing with the Applet below it. Check your solution.

Move points A and B to create the line y = 1.8. Move point C to the intersection.

Move points A and B to create the line y = x+2. Move point C and D to the intersection.

Move points A and B to create the line y = -2x-3.