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Mathematics 23 Online
OpenStudy (anonymous):

Can somebody explain to me, how to graph a parabola?

OpenStudy (saifoo.khan):

http://www.youtube.com/watch?v=9ltJFO8cEu4

OpenStudy (saifoo.khan):

http://www.youtube.com/watch?v=siEoGGSmD-0

OpenStudy (anonymous):

Draw a u

OpenStudy (anonymous):

a necklace hanging down a lady's neck...

OpenStudy (anonymous):

Graph this parabola x^2-9 x^2-9=(x+3)(x-3) So now we know that the zeroes are 3,-3 Next, we find the vertx -b/2a= 0 0^2-9=-9 vertex(0,-9) That should be enough info to graph the parabola

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