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Arithmetic Sequence or Nah? Common Difference
Find the nth term...
Solving AV
Vertex, AOS, D/R
Graphing AV
100
8,10,12,14,16
What is arithemtic
100
Find a16 given a1=9 and d=2
What is 39
100

f(x)=|x|

f(-8)=

f(-8)=8

100

See Slide 1

Vertex: (0,-4)

AOS: 0

D: (- infinity, + infinity)

R: [-4, + infinity)

100

f(x)=|x+1|

See Slide 6

200
2,6,10,16,22,26
What is nah
200
Find a200 given a1= -40 and d= 5
What is 955
200

f(x)=|x-3|

f(1)=

f(1)=2

200

See Slide 2

Vertex: (4,3)

AOS: 4

D: (-infinity, +infinity)

R: (3, +infinity)

200

f(x)=|x|-4

See Slide 7

300
4.25,4.55,4.85,5.15,5.45
What is arithmetic
300
Find a10 given a1= -8 and d= 10
What is 82
300

f(x)=3|x|

f(-7)

f(7)=21

300

See Slide 3

Vertex: (-8,-1)

AOS: -8

D: (-infinity, +infinity)

R: (-1, +infinity)

300

f(x)=|x-3|+2

See Slide 8

400
4,8,16,32,64
What is nah
400
Find a50 given a1= 14 and d=-0.25
What is 1.75
400

f(x)=|x-1|+3

f(-9)=

f(-9)=13

400

See Slide 4 

Vertex: (-1,0)

AOS: -1

D: (-infinity, +infinity)

R: (0, -infinity)

400

f(x)=|x-1|+7

See Slide 9

500
3/4, 1, 5/4, 3/2, 7/4, 2
What is arithmetic
500
Find a12 given a1= 6 and d = 1/2
What is 23/2
500

f(x)=3|x+4|-2

f(-5)=

f(-5)=1


500

See Slide 5

Vertex: (3,5)

AOS: 3

D: (-infinity, +infinity)

R: (5, -infinity)

500

f(x)=-|x|+3

See Slide 10