Rate of Change from Graphs
 RATE OF CHANGEchange  in  ychange   in xm=change in ychange in x What is therate of change? What is therate of change? What is the rate of change? RATE OF CHANGEZeroPositivecan beUndefinedNegative What is the rate of change?-330Undefined 2-20UndefinedWhat is the rate of change? 2/3-2/33/2-3/2What is therate of change? m=RATE OF CHANGEalways simplify your fractionschange in ychange in x=82=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 CHANGEgoodbad What is a good point to use?use thisuse thisuse thisuse this  thisthisthisWhat 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?3456 What's the rate of change?-5/7-1-3/4-2/3 What's the rate of change? RATE OF CHANGE10010015050Watch your scaling!012 234 \$20\$10\$15\$5 1    2   3    4    5daysWhat is therate of change?1/255/22/5 milesranWhat is the rate of change?2131025     10    15   20   25   30minutes1/21/10 Whatis therate ofchange?40020080060010     20    30    40 24018012060What is the rate of change?3     6     9     12    15   18   21 change in x    change in yWhat is the formulafor rate of change?change in y    change in x
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