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RATE OF CHANGE change in y change in x m= change in y change in x What is the rate of change? What is therate of change? What is the rate of change? RATE OF CHANGE Zero Positive can be Undefined Negative What is the rate of change? -3 3 0 Undefined 2 -2 0 Undefined What is the rate of change? 2/3 -2/3 3/2 -3/2 What is the rate of change? m= RATE OF CHANGE always simplify your fractions change in y change in x = 8 2 =4 What is the rate of change? What is the rate of change? What is the rate of change? Use integer-points (not decimal points) RATE OF CHANGE good bad What is a good point to use? use this use this use this use this this this this What is a good point to use? this (0,0) (0,2) (2,0) What's a point? What is a good point to use? What's the rate of change? 3 4 5 6 What's the rate of change? -5/7 -1 -3/4 -2/3 What's the rate of change? RATE OF CHANGE 100 100 150 50 Watch your scaling! 0 1 2 2 3 4 $20 $10 $15 $5 1 2 3 4 5 days What is the rate of change? 1/2 5 5/2 2/5 miles ran What is the rate of change? 2 1 3 10 2 5 10 15 20 25 30 minutes 1/2 1/10 What is the rate of change? 400 200 800 600 10 20 30 40 240 180 120 60 What is the rate of change? 3 6 9 12 15 18 21 change in x change in y What is the formula for rate of change? change in y change in x |