document.write( "Question 373696: The vertex of this parabola is at (-2, -3). When the x-value is -1, the
\n" ); document.write( "y-value is -5. What is the coefficient of the squared expression in the parabola's equation?\r
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Algebra.Com's Answer #265941 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "*Note:the vertex form of a parabola,  where(h,k) is the vertex
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document.write( "The vertex of this parabola is at (-2, -3)
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document.write( "y = a(x+2)^2 - 3
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document.write( "Ordered pair Pt(-1,-5)is on the parabola
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document.write( "-5 = a(-1+2)^2 - 3
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document.write( "solving for a
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document.write( "-2 = a(1)^2
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document.write( "-2 = a, the coefficient of the squared expression
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document.write( "y = -2(x+2)^2 - 3 \n" );
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