peanut50 peanut50
  • 22-02-2017
  • Mathematics
contestada

Tell weather the rate of change are constant or variable

Tell weather the rate of change are constant or variable class=

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delaneytauzel delaneytauzel
  • 22-02-2017
Constant! You can tell because 4 to get to 12 is multiply by 3 and the y values to those numbers work!
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ChandrikaP ChandrikaP
  • 22-02-2017
rate of change =change in y/change in x

if u see in the table 
choose first x,y values
y2-y1/x2-x1=rate of change

x1=0,y1=0
x2=3,y2=7.5
x3=4,y3=10
x4=9  y4=22.5

each time u will get rate of change=2.5 so it is constant
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