document.write( "Question 60920This question is from textbook
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document.write( ": i have to find the coordinates of the vertex of y=1/2x^+3x-7 \n" );
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Algebra.Com's Answer #41886 by pvaka(23)![]() ![]() ![]() You can put this solution on YOUR website! i have to find the coordinates of the vertex of y=1/2x^2+3x-7\r \n" ); document.write( "\n" ); document.write( "Find the x coordinate first by using the formula x=-b/2a and then substitute that value fo x in the original equation, then solve for the y coordinate.\r \n" ); document.write( "\n" ); document.write( "y=ax^2+bx+c====>>1/2x^2+3x-7 \n" ); document.write( "a=1/2,b=3,c=-7 \n" ); document.write( "x=-b/2a==>>-(3)/2(1/2)=-3/1 \n" ); document.write( "x=-3 \n" ); document.write( "y(-3)=1/2(-3)^2+3(-3)-7 \n" ); document.write( "y=-23/2 \n" ); document.write( "Vertex coordinates (-3,-23/2)\r \n" ); document.write( "\n" ); document.write( "Pvaka \n" ); document.write( " |