Arithmetic & Geometric Sequences

Arithmetic & Geometric Sequences

10th - 11th Grade

8 Qs

quiz-placeholder

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Arithmetic & Geometric Sequences

Arithmetic & Geometric Sequences

Assessment

Quiz

Mathematics

10th - 11th Grade

Medium

CCSS
HSF.BF.A.2, HSF.IF.A.3

Standards-aligned

Created by

Michelle Demery

Used 24+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Is the sequence arithmetic, geometric, or neither?

2, 5, 11, 20 . . .

arithmetic

geometric

neither

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Is the sequence arithmetic, geometric, or neither?

6, -12, 24, -48 . . .

arithmetic

geometric

neither

Tags

CCSS.HSF.BF.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Create the explicit formula for the sequence:

2, 8, 14, 20, 26 . . .

an= 2 + 6(n-1)

an= 4 + 4(n-1)

an= 4(4)n-1

an= 2(4)n-1

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write an explicit equation that models the sequence:

25, 21, 17, 13 . . .

an = 25(-4)n-1

an = 25 - 4(n-1)

an = 25 + 4 (n-1)

an = 4n + 29

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the recursive rule for the sequence 11, 22, 44, 88 . . .

an = 2(11)n-1

an = 11 + 2(n-1)

an = 11(2)n-1

an = 2an-1 given a1=11

Tags

CCSS.HSF.IF.A.3

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which formula is used to find the explicit equation for arithmetic sequences?

an = an-1 + d

an = an-1 * r

an = a1 (r)n-1

an = a1 + d(n-1)

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which formula is used to find the explicit equation for geometric sequences?

an = an-1 + d

an = an-1 * r

an = a1 (r)n-1

an = a1 + d(n-1)

Tags

CCSS.HSF.BF.A.2

8.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If a20 = - 4 and the common difference is -1/2, find the fourth term in the sequence.

3

3.5

4

4.5