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)![]() ![]() ![]() You can put this solution on YOUR website! 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( "** \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( " |