Use the different variations of the formula in Section 2.4 to find the slopes of the lines passing through the following points. Recall that the order in which you treat the points does not matter provided you are consistent within the problem.

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(a) (5,8), (7, 14) (b) (6, 10), (9.4) (c) (-2, 5), (1, -7) m = m= Ay 32-y1 14-8 == == Ax X2 X1 7- rise 32-yi 4-10 = = run x2-x1 9-6 32-31 rise -7-5 m = x2-x1 = = run 1-(-2) = (d) (4.-19), (6.-9) 7IQ im -12 = 3 32-yi Ay -9-(-19) 10 m = = = = x2-x1 6-4 22 =5 For the remaining sections of the problem deliberately reverse the order in which the points are taken.