document.write( "Question 24419: vertex standard form?
\n" ); document.write( "1. y=x^2-4x-5 ?put this function in the form y=a(x-h)+k.\r
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\n" ); document.write( "\n" ); document.write( "2. What is the line of symmetry?\r
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\n" ); document.write( "3. Graph th function using the equation in part a, explain why it is not necessary to plot points to graph when using y=a(x-h)^+k? Explanation of graphing?\r
\n" ); document.write( "\n" ); document.write( "4. In a few sentances describe how this graph compares to the graph of y=x^?
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Algebra.Com's Answer #13011 by mathnuts(1)\"\" \"About 
You can put this solution on YOUR website!
1. y = x^2 - 4x - 5
\n" ); document.write( " = x^2 - 4x + 4 - 4 - 5
\n" ); document.write( " = (x^2 - 4x + 4) -4 - 5
\n" ); document.write( " y = (x-2)^2 - 9 Here, the vertex is at (2, -9)\r
\n" ); document.write( "\n" ); document.write( "2. x = 2 (the vertical line that goes through the vertex)\r
\n" ); document.write( "\n" ); document.write( "3. The graph of this function is called a parabola. To graph a parabola, use
\n" ); document.write( " its vertex (in this case, (2, -9) ) and y-intercept (y = -5). The y-intercept is the constant in the given equation. Use the fact that the vertical line through the vertex is a line of symmetry. Plot the point corresponding to the y-intercept that lies on the other side of the vertical line x = 2. \r
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\n" ); document.write( "\n" ); document.write( "4. The graph is translated 2 units to the right and 9 units down.
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