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Curves: quadratic
Choose values for a and b and observe the values of

y = ax2+b

Here is a plot of some points from a quadratic equation.


Here you can move the point with your mouse (right-click to clear) and observe how the coordinates change. What is the equation that matches this graph?

a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4
a1 a2 a3 a4
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