document.write( "Question 486981: f(x)=x^2-2x-24\r
\n" ); document.write( "\n" ); document.write( "a - Determine the vertex?
\n" ); document.write( "b - Does the graph open up or down?
\n" ); document.write( "c - What is the equation of the axis of symmetry?
\n" ); document.write( "d - Find any x-intercepts?
\n" ); document.write( "e - Find the y-intercepts?
\n" ); document.write( "f - Sketch the graph.
\n" ); document.write( "g - State the domain and range in interval notation?\r
\n" ); document.write( "\n" ); document.write( "If you mess up one thing it makes you start over completely with a new problem, which what keeps happening to me.
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Algebra.Com's Answer #332895 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!
\"f%28x%29=x%5E2-2x-24\"\r
\n" ); document.write( "\n" ); document.write( "a - Determine the vertex?\r
\n" ); document.write( "\n" ); document.write( "Vertex Form of Equation
\n" ); document.write( "The vertex form of a parabola's equation is generally expressed as :\r
\n" ); document.write( "\n" ); document.write( "\"y=+a%28x-h%29%5E2%2Bk\"\r
\n" ); document.write( "\n" ); document.write( " (h,k) is the vertex\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=x%5E2-2x-24\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-2x%2B1+-25\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x%5E2-2x%2B1%29+-25\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-1%29%5E2-25\"\r
\n" ); document.write( "\n" ); document.write( "so, (h,k) is (1,-25) \r
\n" ); document.write( "\n" ); document.write( "b - Does the graph open up or down?\r
\n" ); document.write( "\n" ); document.write( "If a> 0, the parabola opens upwards
\n" ); document.write( " if a< 0, it opens downwards.\r
\n" ); document.write( "\n" ); document.write( "\"a=1\".. \"a%3E+0\", the parabola opens upwards\r
\n" ); document.write( "\n" ); document.write( "c - What is the equation of the axis of symmetry?\r
\n" ); document.write( "\n" ); document.write( " The axis of symmetry is the line \"x+=+-b%2F2a\"
\n" ); document.write( "\"a=1\" and \"b=-2\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-%28-2%29%2F2%2A1\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+2%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+1\"\r
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\n" ); document.write( "\n" ); document.write( "d - Find any x-intercepts?\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=x%5E2-2x-24\"....set \"y=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-2x-24=0\"...replace \"-2x\" with \"4x-6x\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B4x-6x-24=0\"...group\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%5E2%2B4x%29-%286x%2B24%29=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%28x%2B4%29-6%28x%2B4%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-6%29%28x%2B4%29=0\"\r
\n" ); document.write( "\n" ); document.write( "if \"x-6=0\".....->...\"x=6\".......one x-intercept is at (6,0)\r
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\n" ); document.write( "\n" ); document.write( "if \"x%2B4=0\".....->...\"x=-4\".......other one x-intercept is at (-4,0)\r
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\n" ); document.write( "\n" ); document.write( "e - Find the y-intercepts?\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=x%5E2-2x-24\"....set \"x=0\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=0%5E2-2%2A0-24\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=-24\"......
\n" ); document.write( "so, y-intercept is at (0,-24)\r
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\n" ); document.write( "\n" ); document.write( "f - Sketch the graph.\r
\n" ); document.write( "\n" ); document.write( "\"+graph%28+500%2C+500%2C+-25%2C25%2C+-30%2C+20%2C+x%5E2-2x-24%29+\"\r
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\n" ); document.write( "\n" ); document.write( "g - State the domain and range in interval notation? \r
\n" ); document.write( "\n" ); document.write( "\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "
Solved by pluggable solver: Plot a graph of any function AND its DOMAIN

\n" ); document.write( " Here's a graph of function \"x%5E2-2x-24\" (x^2-2x-24).
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\n" ); document.write( " The domain is shown on the x axis by a green horizontal line.
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