document.write( "Question 863333: Find the equations of the following parabolas:\r
\n" ); document.write( "\n" ); document.write( "1.vertex (0,-2)
\n" ); document.write( "opens right
\n" ); document.write( "passes through (3/2,-1)\r
\n" ); document.write( "\n" ); document.write( "2.vertex (0,-1)
\n" ); document.write( "opens down
\n" ); document.write( "passes through (1,-2)\r
\n" ); document.write( "\n" ); document.write( "3.vertex (-3,-1)
\n" ); document.write( "opens up
\n" ); document.write( "passes through (3,-10/9) \n" ); document.write( "

Algebra.Com's Answer #520330 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi
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document.write( "1)  x = a(y+2)^2 , passes through (3/2,-1), 3/2 = a ,
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document.write( "2)  y = ax^2 - 1 , passes through (1,-2),  -2 = a - 1, a = -1, 
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document.write( "3) y = a(x+3)^2 -  1, passes through (3,-10/9), -10/9 = 36a - 1, a = -1/4 \n" );
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