document.write( "Question 551989: √5y²+1=9 \n" ); document.write( "

Algebra.Com's Answer #360034 by edjones(8007) $\"\"$ $\"About$

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sqrt(5y^2+1)=9
\n" ); document.write( "5y^2+1=81 square each side.
\n" ); document.write( "5y^2-80=0
\n" ); document.write( "y^2-16=0 divide each side by 5
\n" ); document.write( "(y+4)(y-4)=0
\n" ); document.write( "y=-4, y=4
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\n" ); document.write( "Ed \n" ); document.write( "

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