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Mathematics 16 Online
OpenStudy (anonymous):

Help! I have the answer but I don't how to get the answer Find and graph the following graph and then find the intercepts (x and y) and the vertex

OpenStudy (anonymous):

OpenStudy (oaktree):

Okay. So first off, to find the intercepts we need to set the other variable to 0. Following so far?

OpenStudy (anonymous):

yes

OpenStudy (phi):

a "normal" parabola (that has a "smile" shape) has the equation y= a x^2 + b x +c this one has x = a y^2 + b y + c with a= 4, b=-3 and c=0 because it is x = y^2 you know it is not a "smile" or "frown" it opens sideways: either to the right or left. in this case it opens to the right ( you can figure this out by picking a big y value say +100 and also -100. both of these y values give you a big x. if you plot the points you see they are on the right side of the y-axis

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