arithmetic sequence
explicit formula and recursive formula
liner vs exponential function
linear vs exponential
characteristics of liner functions and exponential functions
100

 12 24 36 48

+12  +12 +12

common ratio or common difference 

common difference 

100

a1=first term d=common difference 

33 28 23 18. 

  

a1=33

an=an-1-5

100

linear x values are multiplied times the -----------

slope 

100

exponential x-values are inputted as the -------------

exponent 

100

Cassidy started an account with 10dollers and she adds 40dollers each week 

B=?

M=?

function ?

B=10

M=40

y=40x+10

200

witch diagram will have 21 cubes 

an=21

200

-12 -4 4 12 

a1=first term d=common difference 

a1=-12 

an=an-1+8

200

y-intercept liner function ---------- in the. formula 

B

200

exponential ------------ in the formula 

A

200

-3x -y =12 

function=?

y=-3x-12

300

find the 12th term in the sequence 3 7 11 15 19

an=a1+(n-1)d

a12=47

300

 

a1=first term d=common difference 

a1=3 

an=an-1+4 

300

linear --------- line 

strait 

300

exponential ------------ line 

curve

300

x -2 -1 0 1

y 15 11 7 3 

b=?

m=? 

function=?

b=7

m=-4

y=-4x+7

400

a1=5 d=-2 find the 20th term 

a20=-33

400

an=a1+(n-1)d                  -5 -3 -1 1 3

a1=first term d=common difference 

an=2n -7

400

key words in the linear function ----------

each every per a 

400

exponential key words 

doubled tripled halved %

400

Cassidy started an account with 10dollers and she triples the amount each week 

a=10

b=3

y=10(3)x

500

a1=4 d=12 witch is the 40th term 

n=4th term 

500

a1=4 d=12 

an=a1 +(n-1)d 

an =12n-8

500

how y values are changing ------------ by constant amount 

addad or subtract 

500

exponential ------------- by constant amount 

multiplying or dividend 

500

y=(1/5)x

a=1 

b=1/5

function (1/5)x

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