document.write( "Question 548276: Write and graph an equation for the parabola that has vertex (-1, 3) and passes through the point (-2, 1). Remember: y= a(x-h)2 + k \n" ); document.write( "
Algebra.Com's Answer #356943 by lwsshak3(11628)\"\" \"About 
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Write and graph an equation for the parabola that has vertex (-1, 3) and passes through the point (-2, 1). Remember: y= a(x-h)2 + k
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\n" ); document.write( "y= a(x-h)^2 + k
\n" ); document.write( "y= a(x+1)^2 + 3
\n" ); document.write( "plug in coordinates of given point (-2,1) to find a
\n" ); document.write( "1= a(-2+1)^2 + 3
\n" ); document.write( "1= a(-1)^2 + 3
\n" ); document.write( "1= a + 3
\n" ); document.write( "a=-2
\n" ); document.write( "Equation:
\n" ); document.write( "y= -2(x+1)^2 + 3
\n" ); document.write( "see graph below:\r
\n" ); document.write( "\n" ); document.write( "\"+graph%28+300%2C+300%2C+-5%2C+5%2C+-5%2C+5%2C+-2%28x%2B1%29%5E2+%2B+3%29+\"
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