document.write( "Question 240792: Hello,\r
\n" );
document.write( "\n" );
document.write( "Please help me with the following. I am having a difficult time!\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "1. In the following exercise, find the coordinates of the vertex for the parabola defined by the given quadratic function.
\n" );
document.write( "f(x)=4x^2+8x+1\r
\n" );
document.write( "\n" );
document.write( "The vertex is? (Type an ordered pair)\r
\n" );
document.write( "\n" );
document.write( "Thanks!! \n" );
document.write( "
Algebra.Com's Answer #176392 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! In the following exercise, find the coordinates of the vertex for the parabola defined by the given quadratic function. \n" ); document.write( "f(x)=4x^2+8x+1 \n" ); document.write( "----------- \n" ); document.write( "The vertex occurs where x = -b/2a = -8/(2*4) = -1 \n" ); document.write( "--- \n" ); document.write( "f(-1) = 4(-1)^2 + 8(-1) + 1 \n" ); document.write( "f(-1) = 4-8+1 \n" ); document.write( "f(-1) = -3 \n" ); document.write( "------------------- \n" ); document.write( "Vertex: (-1,-3) \n" ); document.write( "====================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |