document.write( "Question 236220: use quadractic equation to find the x intercept if any. then evaluate the function for several values of x. f(x)=-x^2-2x-1 \n" ); document.write( "

Algebra.Com's Answer #173935 by checkley77(12844) $\"\"$ $\"About$

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f(x)=-x^2-2x-1
\n" ); document.write( " $\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+-x%5E2+-2x+-1%29+\"$ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -x^2 -2x -1).
\n" ); document.write( "The x intercept=-1 & there are no other x intercepts.
\n" ); document.write( "y=-x^2-2x-1
\n" ); document.write( "Let x=2
\n" ); document.write( "y=-2^2-2*2-1
\n" ); document.write( "y=-4-4-1
\n" ); document.write( "y=-9 or (2,-9)
\n" ); document.write( "Let x=-4
\n" ); document.write( "y=-4^2-2*-4-1
\n" ); document.write( "y=-16+8-1
\n" ); document.write( "y=-9 or (-4,-9) \n" ); document.write( "

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