We are interested in finding the slope of this line, because it gives the rate at which the y value of the function is changing. You already have some experience working with slope. You have found the slope of a line in earlier coursework using a formula, 2 1 2 1 y y m x x − = −. This gives a rate of

Read through the lesson on slope and y-intercept in word problems. Work through the examples. Do the quiz on linear equations. Record your score out of 5. Lesson 15. Do the warm-up problems on linear equations. Record up to 3 points for at least three correct answers. Review slope.

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