a. Solve the equation x2 4x b, b 5 by rst writing in
Chapter 1, Problem 152(choose chapter or problem)
a. Solve the equation x2 4x b, b 5 by rst writing in standard form and then factoring. Now plot both sides of the equation in the same viewing screen (y1 x2 4x and y2 b). At what x-values do these two graphs intersect? Do those points agree with the solution set you found? b. Repeat part (a) for b 5, 0, 7, and 12.
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