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Mathematics 11 Online
OpenStudy (anonymous):

How do I solve a quadratic equation by graphing a parabola

OpenStudy (amistre64):

by graphing it and seeing where it hits the x axis if your looking for where y=0

OpenStudy (anonymous):

How do I get the points

OpenStudy (amistre64):

the same way you get any points for an equation; plug in values of x to get the value of y

OpenStudy (anonymous):

Okay thanks

OpenStudy (amistre64):

take y=x^2 and make a table x y=x^2 -4 16 -3 9 -2 4 -1 1 0 0 1 1 2 4 3 9 4 16 and youve got the points for the equation

OpenStudy (amistre64):

well, the points from teh equation to plot on your graph

OpenStudy (anonymous):

Thank you.

OpenStudy (amistre64):

youre welcome, hope it helped :)

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