5.2 - slope Textbook pg. 294 Objective:

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Presentation transcript:

5.2 - slope Textbook pg. 294 Objective: The student will find slope in order to recognize linear functions.

slope: constant rate of change. ∆y. rise/fall. ∆x slope: constant rate of change ∆y rise/fall ∆x run linear function: has a slope, forms a nonvertical line Decide if the function is linear. If so, state the slope. X Y 2) X Y 3) 0 -1 -3 2 2 2 -4 5 4 5 -7 10 6 8 -10 11

SLOPE FORMULA: y2 – y1 with points (x1, y1) & (x2, y2) x2 – x1 Find the slope from the points: 4) (4, -2) & (-1, 2) 5) (-2, -2) & (7, -2) 6) 3 4 , 7 5 & 1 4 , 2 5

4 Types of Slope Positive Negative Zero Undefined rise + fall - rise 0 rise +/- run + run + run + run 0

Name Date Period 5.2 – pg. 298 #14-17, 20-24, 39, 43