document.write( "Question 1031957: 1. Let f(x) = 2x^2 − 8x − 7.
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document.write( "What is the quadratic in vertex form that is y = a(x − h)^2 + k
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document.write( "for some constants a, h, and k). Use the vertex form to locate the x intercepts of the function. (without the quadratic formula.) Sketch the graph of f, showing all important features. Solve f(x) > 0.
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Algebra.Com's Answer #646643 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! Learn to change y=ax^2+bx+c general form into y=a(x-h)^2+k standard form.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This shows how to make the change.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The vertex is the point (h,k) and find the x-intercepts from the standard form by setting y=9 and solve for x. \n" ); document.write( " |