document.write( "Question 364579: Write the equation of a parabola in vertex form if the vertex is (-2,8) and y -intercept is 0. \n" ); document.write( "

Algebra.Com's Answer #259981 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "*Note: vertex form of a parabola, 
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document.write( " where(h,k) is the vertex
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document.write( "vertex is (-2,8)
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document.write( "y = a(x+2)^2 + 8
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document.write( "y -intercept is 0. (0,0) a point on the parabola
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document.write( "0 = 4a + 8
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document.write( "-2 = a
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document.write( "y = -2(x+2) + 8
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