document.write( "Question 82662: find the vertex and x-intercepts of the parabola described by the equation:
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document.write( "y=(x+12)(x-2) \n" );
document.write( "
Algebra.Com's Answer #59256 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! find the vertex and x-intercepts of the parabola described by the equation: \n" ); document.write( "y=(x+12)(x-2) \n" ); document.write( "------------- \n" ); document.write( "If you let y=0 you find the x-intercepts at x=-12 and x=2. \n" ); document.write( "The x-value of the vertex is half way between -12 and 2 or \n" ); document.write( "at -5, \n" ); document.write( "The y-value is f(-5)=(-5+12)(-5-2) = 7*-7 = -49 \n" ); document.write( "Vertex at (-5,-49) \n" ); document.write( " \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |