Arithmetic Sequences and Partial Sums

Arithmetic Sequences and Partial Sums

9th Grade

15 Qs

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Arithmetic Sequences and Partial Sums

Arithmetic Sequences and Partial Sums

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSF.BF.A.2, HSA.SSE.B.4

Standards-aligned

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Evaluate each series described (n is the number of terms in the series):
4 + 9 + 14 + 19 + ..., n = 14

1050

1022

511

519

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does a1 represent?

Any term

First term

Last term

Tags

CCSS.HSF.BF.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A plumber charges $55 for 1 hour of work, $90 for 2 hours, and $125 for 3 hours. Which function represents the sequence of hourly charges?

an = 55 + 35n

an = 55(35)n-1

an = 35 + (n-1)55

an = 55 + (n-1)35

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Hayley has a garden and likes to put flowers from her garden into pretty vases. Hayley put 42 flowers in the first vase, 42 flowers in the second vase, 42 flowers in the third vase, and 42 flowers in the fourth vase. What kind of sequence is this?

Geometric

Arithmetic

Both

Neither

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the nth partial sum:
8, 20, 32, 44, ...    n=10

116

124

680

620

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

I can find nth partial sums of arithmetic sequences.

True

False

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

a1=5, a2=11, a15=?

95

89

81

159

Tags

CCSS.HSF.BF.A.2

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