Arithmetic and geometric sequences.

Arithmetic and geometric sequences.

9th - 12th Grade

13 Qs

quiz-placeholder

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Arithmetic and geometric sequences.

Arithmetic and geometric sequences.

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

Created by

Mark Marchbank

Used 3+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is this sequence Arithmetic, Geometric, or Neither?

2, 9, 7, 14, 12, 19, ...

Arithmetic

Geometric

Neither

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which sequence is an arithmetic sequence?

3, 6, 2, 7, ...

3, 6, 12, 24, ...

3, 6, 10, 15, ...

3, 7, 11, 15, ...

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which sequence is a geometric sequence with a common ratio of 2?

5, 3, 1, -1, ...

5, 7, 9, 11, ...

5, 10, 20, 40, ...

5, 15, 45, 135, ...

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the common difference of the arithmetic sequence below?
-6, -1, 4, 9...

5

-5

-6

1/5

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the common ratio of the geometric sequence below?
5, 25, 125, 625...

25

20

5

4

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The first term in an arithmetic sequence is -8 and the common difference is 14.  What is the 28th term given the equation an = a1 + d (n - 1)

378

1024

-324

370

7.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

The first term in a geometric sequence is 160 and the common ratio is 1/2.  What is the 7th term given the equation an = a1 (r)n-1

5

2.5

10

1.25

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