Sigma Notation

• 13

• 11

• 10

Tags

CCSS.HSA.SSE.A.1

Write 1 + 2 + 3 + ... + 10

using sigma notation

Tags

CCSS.HSF.BF.A.2

Write 1 + 4 + 9 + ... + 49

using sigma notation

Tags

CCSS.HSF.BF.A.2

Tags

CCSS.HSA.APR.D.7

∑ is

• a funky looking "E"
• theta
• pi
• sigma

Tags

CCSS.HSF.BF.A.2

The 6th partial sum of the series 2 + 6 + 10 + 14 + ... in sigma notation is

Hint: Write the explicit equation

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Answer explanation

d=4

a(0)=-2

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.2

Write the series in sigma notation.

Hint: You need to determine the term NUMBER of 43

Some "books" use "k" instead of "n"

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Answer explanation

d=2

a(0)=3

a(n)=2n+3

43=2n+3

Solve

n=20

Tags

CCSS.HSF.BF.A.2

• 30

• 100

• 110

Answer explanation

a(1) = 1^3=1

a(2)=2^3=8

a(3)=3^3=27

a(4)=4^3=64

1+8+27+64=100

Tags

CCSS.HSA.SSE.A.1

• 6

Answer explanation

a(1)=(1+2)/1 = 3

a(2)=(2+2)/2=2

a(3)=(3+2)/3=5/3

3+2+5/3=6 2/3

Tags

CCSS.HSA.APR.D.7

Answer explanation

a(1)=(1^2)/(1+1)=1/2

a(2)=(2^2)/(2+1)=4/3

a(3)=(3^2)/(3+1)=9/4

1/2 + 4/3 + 9/4 = 49/12

Tags

CCSS.HSA.APR.D.7