document.write( "Question 772420: For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.\r
\n" ); document.write( "\n" ); document.write( "f(x) = 3(x2 + 1)(x2 + 7)2\r
\n" ); document.write( "\n" ); document.write( "a)No real zeros
\n" ); document.write( "b)-1, multiplicity 1, crosses x-axis; -7, multiplicity 2, touches x-axis
\n" ); document.write( "c)-1, multiplicity 1, touches x-axis; -7, multiplicity 2, crosses x-axis
\n" ); document.write( "d)1, multiplicity 1, crosses x-axis; -1, multiplicity 1, crosses x-axis;
\n" ); document.write( "-sqrt7, multiplicity 2, touches x-axis; -sqrt7, multiplicity 2, touches x-axis \r
\n" ); document.write( "\n" ); document.write( "Please show work (if possible), thanks guys I appreciate it :) \n" ); document.write( "

Algebra.Com's Answer #470856 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "In order for your function to have real zeros, either

, so says the Zero Product Rule. But in general

where

\ 0\"> has no real roots.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "Egw to Beta kai to Sigma
\n" ); document.write( "My calculator said it, I believe it, that settles it
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$\"The$

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