document.write( "Question 182565: y = 1/2x^2 -2\r
\n" ); document.write( "\n" ); document.write( "x y
\n" ); document.write( "0 ?
\n" ); document.write( "1 ?
\n" ); document.write( "2 ?
\n" ); document.write( "3 ?\r
\n" ); document.write( "\n" ); document.write( "Find y \n" ); document.write( "

Algebra.Com's Answer #137065 by jojo14344(1513) $\"\"$ $\"About$

You can put this solution on YOUR website!

\n" ); document.write( "Given: $\"y=%281%2F2%29x%5E2-2\"$
\n" ); document.write( "Remember $\"system%28a=1%2F2%2Cb=0%2Cc=-2%29\"$
\n" ); document.write( "Substituting value of \"x\"=0,1,2,3 to the eqn: $\"y=%281%2F2%29x%5E2-2\"$
\n" ); document.write( " $\"y=%281%2F2%29%280%29%5E2-2=-2\"$
\n" ); document.write( " $\"y=%281%2F2%29%281%29%5E2-2=1%2F2-2=-1.5\"$
\n" ); document.write( " $\"y=%281%2F2%29%282%29%5E2-2=%281%2Fcross%282%29%29%28cross%284%292%29-2=0\"$
\n" ); document.write( " $\"y=%281%2F2%29%283%29%5E2-2=9%2F2-2=2.5\"$
\n" ); document.write( "It follows:
\n" ); document.write( "x,y
\n" ); document.write( "0,-2
\n" ); document.write( "1,-1.5
\n" ); document.write( "2,0
\n" ); document.write( "3,2.5
\n" ); document.write( "We can solve for the vertex: $\"x=-b%2F2a=-0%2F%282%281%2F2%29%29=0\"$ X-Intercept
\n" ); document.write( "Substitute to the eqn:
\n" ); document.write( " $\"y=%281%2F2%29%280%29%5E2-2=-2\"$ Y-Intercept
\n" ); document.write( "Vertex--->(0,-2)
\n" ); document.write( "
\n" ); document.write( "Thank you<
\n" ); document.write( "Jojo \n" ); document.write( "

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