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Graphing an equation

Plot the graph of:

y= x^2-2x

Solution Preview

y = x^2 - 2x = x*(x-2) ...(1)

If y = 0 => x = 0 and x =2
Hence, the given curve intersects x-axis at x = 0 and x = 2.

Differentiate Eqn (1) with respect to x:
dy/dx = 2*x -2 ...

Solution Summary

This shows how to graph a given parabolic equation.

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