document.write( "Question 1039314: A.) Write the equation of the parabola in general form completely draw thr graph.
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document.write( "A. V(4,2) , F(2,2)
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document.write( "B. V(5,-1) , F(3,-1)
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document.write( "C. V(4,-4) , y+5=0\r
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document.write( "B.) Express each in standard form completely draw the graph
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document.write( "D. 4x²+24x-y+3=0
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document.write( "E. y²+4x+6y+17=0 \n" );
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Algebra.Com's Answer #654259 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! Only doing one of those for you.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "C. V(4,-4), y+5=0\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This might be vertex and directrix. Solving for y gives y=-5 and no restriction on x for the directrix. This can also be stated as a variable point (x,-5), the directrix.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The focus is on the other side of the vertex. From -4 to -5 is a distance of 1. The focus is therefore 1 unit away from the vertex and this focus must be (4,-3).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Use the definition of a parabola. Find the equation for Distance from (x,y) to (x,-5) is equal to Distance from (x,y) to (4,-3).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Simplify this into whatever form or forms you need. \n" ); document.write( "Find a good demonstration example for how this works, here: deriving equation of parabola for given focus and directrix - video example \n" ); document.write( "- \n" ); document.write( "The finished general form for this example in your list is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Its graph appears like \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The same channel with that video also has something to explain your last two example equations. \n" ); document.write( " |