document.write( "Question 194511: Name the vertex and axis of symmetry for each quadratic function. Tell wherther the parabola opens up, down, left, or right.
\n" ); document.write( "f(x)=x^2-1 \n" ); document.write( "

Algebra.Com's Answer #145984 by Mathtut(3670) $\"\"$ $\"About$

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vertex is a (0,-1)..... this take the form of y=x^2 meaning it opens up or down.... the parabola opens up because the coefficient of the $\"x%5E2\"$ term is positive.
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\n" ); document.write( "axis of symmetry ix x=0
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\n" ); document.write( " $\"graph%28300%2C300%2C-10%2C10%2C-10%2C10%2Cx%5E2-1%29\"$ \n" ); document.write( "

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