document.write( "Question 24896: 2) For the function y = x2 - 4x - 5, perform the following tasks:
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document.write( "a) Put the function in the form y = a(x - h)2 + k.
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document.write( "b) What is the line of symmetry?
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document.write( "c) Graph the function using the equation in part a. Explain why it is not necessary to plot points to graph when using y = a (x - h)2 + k.
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document.write( "d) In your own words, describe how this graph compares to the graph of y = x2?\r
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Algebra.Com's Answer #13850 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! Y=X^2-4X-5={(X-2)^2-4-5}=(X-2)^2-9 \n" ); document.write( "COMPARING WITH THE GIVEN EQN . \n" ); document.write( " \n" ); document.write( "A=1,H=2 AND K=-9....THE LINE OF SYMMETRY IS X-2=0 AS YOU WILL GET SAME VALUE OF Y WHETHER X-2=+4 SAY OR -4...NAMELY,Y=7. \n" ); document.write( "COMPARISON WITH Y=X^2 IS SHOWN BELOW \n" ); document.write( " \n" ); document.write( "YOU CAN SEE THAT LINE OF SYMMETRY IS X=0 HERE. \n" ); document.write( "ALSO THE MINIMUM VALUE OR VERTEX AT 0,0 IN CASE OF Y=X^2,WHERE AS IT WAS AT (2,-9) \n" ); document.write( "FOR THE GIVEN EQUATION \n" ); document.write( " \n" ); document.write( " |