SOLUTION: 2) For the function y = x2 - 4x - 5, perform the following tasks:
a) Put the function in the form y = a(x - h)2 + k.
b) What is the line of symmetry?
c) Graph the functio
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Question 31911: 2) For the function y = x2 - 4x - 5, perform the following tasks:
a) Put the function in the form y = a(x - h)2 + k.
b) What is the line of symmetry?
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.
Show graph here.
Explanation of graphing.
d) In your own words, describe how this graph compares to the graph of y = x2?
Answer:
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
Y=(X^2-2(X)(2)+2^2)-2^2-5=(X-2)^2-9
SO LINE OF SYMMETRY IS X-2=0...OR....X=2
YOU CAN PLOT AXIS X=2 AND VERTEX (2,-9) FIRST..THEN INTERCEPTS(0,-5)AND (5,0)AND (-1,0)..TO PLOT THE GRAPH
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