CHALLENGE Suppose you have the equations y 5 ax 1 b, y 5 cx 1 d, and y 5 ex 1 f. a. When

Chapter 4, Problem 4.1.39

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CHALLENGE Suppose you have the equations y 5 ax 1 b, y 5 cx 1 d, and y 5 ex 1 f. a. When will these three lines form a triangle? b. Let c 5 1, d 5 2, e 5 4, and f 5 27. Find values of a and b so that no triangle is formed by the three equations. c. Draw the triangle formed when a 5 4 }3 , b 5 1 }3 , c 5 24 }3 , d 5 41 }3 , e 5 0, and f 5 21. Then classify the triangle by its sides.

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