document.write( "Question 85891: For the equation x-2 sqrt x= 0 , perform the following:
\n" ); document.write( "Solve for all values of x that satisfies the equation.\r
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\n" ); document.write( "\n" ); document.write( "Also, can you please graph the functions y=x and y = 2 sqrt x \r
\n" ); document.write( "\n" ); document.write( "Thanks!
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Algebra.Com's Answer #62078 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
For the equation x-2 sqrt x= 0 , perform the following:
\n" ); document.write( "Solve for all values of x that satisfies the equation.
\n" ); document.write( ":
\n" ); document.write( " x - \"2sqrt%28x%29\" = 0
\n" ); document.write( ":
\n" ); document.write( " x = \"2sqrt%28x%29\"; added \"2sqrt%28x%29\" to both sides
\n" ); document.write( ":
\n" ); document.write( "\"x%5E2\" = 4(x); squared both sides to get rid of the radical
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\n" ); document.write( "x^2 - 4x = 0; subtracted 4x from both sides
\n" ); document.write( ":
\n" ); document.write( "x(x - 4) = Factored out x
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\n" ); document.write( "x = 0
\n" ); document.write( "and
\n" ); document.write( "x = +4
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\n" ); document.write( "graph the functions y=x and y = 2 sqrt x
\n" ); document.write( ":
\n" ); document.write( "a table of x = 2*sqrt(x); (x must be positive)
\n" ); document.write( " x | y
\n" ); document.write( " -----
\n" ); document.write( " 0 | 0
\n" ); document.write( " 1 | 2
\n" ); document.write( " 2 | 2.828
\n" ); document.write( " 4 | 4
\n" ); document.write( " 9 | 6
\n" ); document.write( ":
\n" ); document.write( "\"+graph%28+300%2C+200%2C+-4%2C+10%2C+-4%2C+10%2C+x%2C+2%2Asqrt%28x%29%29+\"
\n" ); document.write( "y = x: purple. y = 2*sqrt(x): green
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