(1) Using the quadratic equation x2 - 6x + 8 = 0, perform the following tasks:
(a) Solve by factoring.
(b)Solve by using the quadratic formula.
(2) For the function y = x2 - 6x + 8, perform the following tasks:
(a) Put the function in the form y = a(x - h)2 + k.
(b) What is the equation for the line of symmetry for the graph of this function?
(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.
Explanation of graphing.
(d) In your own words, describe how this graph compares to the graph of y = x2?