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Mathematics 8 Online
OpenStudy (anonymous):

What is the equation of the parabola with vertex (2, 4) and focus (5, 4)?

OpenStudy (campbell_st):

plot the points |dw:1362684725689:dw|

OpenStudy (campbell_st):

the parabola is concave right |dw:1362684828720:dw| so the general form is \[(y - k)^2 = 4a(x - h)\] (h, k) is the vertex and a is the focal length... substitute to find the equation.

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