document.write( "Question 241415: find the x-internet. round to the nearest tenth:\r
\n" ); document.write( "\n" ); document.write( " $\"y=4x%5E2-7\"$
\n" ); document.write( " $\"y=3x%5E2%2B2x-5\"$
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #176829 by checkley77(12844) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"y=4x%5E2-7\"$ red line
\n" ); document.write( "set y=0 & solve for the x values.
\n" ); document.write( "4x^2=7
\n" ); document.write( "x^2=7/4
\n" ); document.write( "x=sqrt1.75
\n" ); document.write( "x=+-1.3 ans.
\n" ); document.write( " $\"y=3x%5E2%2B2x-5\"$ green line
\n" ); document.write( "set y=0 & solve for the x values.
\n" ); document.write( "3x^2+2x-5=0
\n" ); document.write( "(3x+5)(x-1)=0
\n" ); document.write( "3x+5=0
\n" ); document.write( "3x=-5
\n" ); document.write( "x=-5/3
\n" ); document.write( "x=-1.7 ans.
\n" ); document.write( "x-1=0
\n" ); document.write( "x=1 ans.
\n" ); document.write( " $\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+4x%5E2+-7%2C+3x%5E2+%2B2x+-5%29+\"$ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 4x^2 -7 and 3x^2 +2x -5). \n" ); document.write( "

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