Unit 1 Sequences and Series

What is a sequence?

• An order of the same numbers.
• A list of numbers in a specific order. 
• A list of numbers always decreased.
• An order of numbers with no relation. 

Tags

CCSS.HSF.BF.A.2

How is an arithmetic sequence found?

• By multiplying the same number to the previous term. 
• By adding the same number to the previous term.

Tags

CCSS.HSF.BF.A.2

How is an geometric sequence found?

• By adding the same number to the previous term.
• By multiplying the previous term by the same number. 

Tags

CCSS.HSF.BF.A.2

Describe the relationship between the terms in the arithmetic sequence 
15, 12, 9, 6

• Adding 3 to the previous term
• Subtracting 3 to the previous term
• Dividing the previous term by 3
• Multiplying the previous term by 3

Tags

CCSS.HSF.BF.A.2

What is the rule (explicit equation) for the n^th term given 
60, 55, 50, 45, ...

• a_n= -5+60n
• a_n= -5n+55
• a_n= -5n+65
• a_n= 5n+55

Tags

CCSS.HSF.BF.A.2

Write the explicit rule for the arithmetic sequence
12, 10, 8, 6, ...

• a_n = 12n - 14
• a_n = 2n - 14
• a_n = -2n + 14
• a_n = -12n + 14

Tags

CCSS.HSF.BF.A.2

Find the sum of the arithmetic series described:

2 + (-2) + (-6) + (-10)..., S₁₀

• -160

• -328

• -320

• -336

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

CCSS.HSF.LE.A.1

CCSS.HSA.SSE.A.1

An arithmetic series is the sum of the terms in an arithmetic sequence.

• True

• False

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

Evaluate the arithmetic series given the following:  $a_1=42,\ a_n=146,\ n=14$ .

• 1315

• 1316

• 1314

• 1313

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

IN A GEOMETRIC SEQUENCE, What does r represent?

 $a_n=a_1\cdot r^{\left(n-1\right)}$  

• Radical

• Common difference

• Common ratio