document.write( "Question 1206303: Which quadratic function in vertex form can be represented by the graph that has the vertex at (-6, 0) and passes through the point (2, 8)?\r
\n" ); document.write( "\n" ); document.write( "A. y = -1/8x^2 - 6\r
\n" ); document.write( "\n" ); document.write( "B. y = 1/8(x + 6)^2\r
\n" ); document.write( "\n" ); document.write( "C. y = 1/8x^2 - 6\r
\n" ); document.write( "\n" ); document.write( "D. y = -1/8(x + 6)^2 \n" ); document.write( "
Algebra.Com's Answer #843727 by MathTherapy(10555)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Which quadratic function in vertex form can be represented by the graph that has the vertex at (-6, 0) and passes through the point (2, 8)?\r\n" );
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document.write( "A. y = -1/8x^2 - 6\r\n" );
document.write( "B. y = 1/8(x + 6)^2\r\n" );
document.write( "C. y = 1/8x^2 - 6\r\n" );
document.write( "D. y = -1/8(x + 6)^2\r\n" );
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document.write( "    y = a(x - h)2 + k <==== Vertex form of a quadratic function\r\n" );
document.write( "    8 = a(2 - - 6)2 + 0 --- Substituting (- 6, 0) for (h, k), and (2, 8) for (x, y)\r\n" );
document.write( "    8 = a(8)2 \r\n" );
document.write( "    8 = 64a \r\n" );
document.write( "   \"matrix%282%2C3%2C+8%2F64%2C+%22=%22%2C+a%2C+1%2F8%2C+%22=%22%2C+a%29\"\r\n" );
document.write( "                                                          y = a(x - h)2 + k                                                      \r\n" );
document.write( "Substituting \"1%2F8\" for a, and (- 6, 0) for (h, k) gives us: \"matrix%281%2C3%2C+y%2C+%22=%22%2C+%281%2F8%29%28x+-+-+6%29%5E2+%2B+0%29\"\r\n" );
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