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Mathematics 21 Online
OpenStudy (anonymous):

HELP? I WILL MEDAL AND FAN!!!

OpenStudy (anonymous):

explain how you can use the graph of the quadratic function f(x) to solve the equation f(x)=0

OpenStudy (cp9454):

First, a quadratic equation is converted into a quadratic function. Then, the variables are changed to x and y to graph on a coordinate plane. The solutions are shown where the function crosses the x-axis. Roots, x-intercepts, and zeros are given as synonyms for solutions.

OpenStudy (cp9454):

what else

OpenStudy (anonymous):

what is the formula for the discriminant?

OpenStudy (cp9454):

\[D=b^2-4ac\] Dhere stands for discriminat

OpenStudy (anonymous):

you are the best! thanks!

OpenStudy (cp9454):

yw

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