document.write( "Question 698279: I need help find the vertex, axis of symmetry, minimum or maximum value, and range of the parabola. I'm completely stumped on this topic. The formula is y=ax^2+bx+c Question: y=x^2+2x+1 \n" ); document.write( "
Algebra.Com's Answer #430575 by MathLover1(20850)\"\" \"About 
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\"y=ax%5E2%2Bbx%2Bc+\"\r
\n" ); document.write( "\n" ); document.write( "Question: \"y=x%5E2%2B2x%2B1\"\r
\n" ); document.write( "\n" ); document.write( "To find the vertex of a parabola, we will write the function in the form \"y=a%28x-h%29%5E2%2Bk+\" where (\"h\",\"k\") are the coordinates of vertex\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28x%2B1%29%5E2\"...=> \"h=-1\", \"k=0\"; so, vertex is at (\"-1\",\"0\")\r
\n" ); document.write( "\n" ); document.write( "since \"a=1\", parabola opens upward and has a minimum at \"x=-1\"\r
\n" ); document.write( "\n" ); document.write( "an \"axis\" of \"symmetry\" is the line that runs down its '\"center\" or \"vertex\"' and this line divides the graph into two perfect halves; so in your case that line is vertical line that goes through \"x=-1\"\r
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\n" ); document.write( "\n" ); document.write( "range: all non-negative real numbers \"y%3E=0\"\r
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