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Use Ins
Enter 2x^2+3x-5
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The graph is y = 2x^2+3x-5
2x^2+3x-5 = 0 --> 2 points of intersection with the x-axis
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The graph of 2x^2+3x-5 = 0 is 2 lines parallel to the y-axis thru the same 2 points.