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Can someone please explain to me the steps to graphing quadratics?? im very confused
 one year ago
 one year ago
Can someone please explain to me the steps to graphing quadratics?? im very confused
 one year ago
 one year ago

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jim_thompson5910Best ResponseYou've already chosen the best response.1
You simply need the vertex and a few points that are on the right and left of the vertex
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
Here's a plot of points dw:1342991570563:dw
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
here's the vertex dw:1342991631719:dw
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
Now draw a curve through all the points to graph the parabola dw:1342991670542:dw
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
This is of course an example, so your vertex may be in a different location
 one year ago

ashleybBest ResponseYou've already chosen the best response.0
but how do u get the points?
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
you plug in arbitrary values of x to get corresponding values of y (this is to get any point on the parabola)
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
to get the vertex, you use the formula x = b/(2a) once you know this x value, you then plug it in to find y
 one year ago

ashleybBest ResponseYou've already chosen the best response.0
oh okay...that makes sense thankyou
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
you're welcome
 one year ago
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