document.write( "Question 668793: Find vertex form of 25-x^2 and graph.\r
\n" ); document.write( "\n" ); document.write( "I am completely lost and my notes aren't helping! \n" ); document.write( "
Algebra.Com's Answer #415841 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
y = 25-x^2\r
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\n" ); document.write( "\n" ); document.write( "y = -x^2 + 25\r
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\n" ); document.write( "\n" ); document.write( "y = -1*x^2 + 25\r
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\n" ); document.write( "\n" ); document.write( "y = -1*(x-0)^2 + 25\r
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\n" ); document.write( "\n" ); document.write( "The equatin is now in the form y = a(x-h)^2 + k\r
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\n" ); document.write( "\n" ); document.write( "This is known as vertex form, where (h,k) is the vertex\r
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\n" ); document.write( "\n" ); document.write( "We can see that h = 0 and k = 25\r
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\n" ); document.write( "\n" ); document.write( "So the vertex is (0, 25)\r
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\n" ); document.write( "\n" ); document.write( "Here's the graph (using a graphing calculator)\r
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