document.write( "Question 463853: WHAT IS THE EQUATION OF THE QUADRATIC FUNCTION WITH ROOTS -8 AND -6\"A\"LESS THEN ZERO AND A VERTEX A (-7,2) \n" ); document.write( "
Algebra.Com's Answer #318218 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! WHAT IS THE EQUATION OF THE QUADRATIC FUNCTION WITH ROOTS -8 AND -6\"A\"LESS THEN ZERO AND A VERTEX A (-7,2) \n" ); document.write( "... \n" ); document.write( "Standard form of parabola: y=A(x-h)^2+k, with (h,k) being the (x,y) coordinates of the vertex. \n" ); document.write( "For given equation: \n" ); document.write( "y=A(x+7)^2+2 \n" ); document.write( "use point (-8,0) to solve for A \n" ); document.write( "0=A(-8+7)^2+2=A(-1)^2+2=A+2 \n" ); document.write( "A=-2 \n" ); document.write( "Equation: \n" ); document.write( "y=-2(x+7)^2+2 \n" ); document.write( "see graph below as a visual check on answer:\r \n" ); document.write( "\n" ); document.write( ".. \n" ); document.write( " |