Alg Day 3 Arithmetic Sequence

Presentation

•

Mathematics

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8th - 10th Grade

•

Medium

•

CCSS

HSF.BF.A.2, 8.EE.C.7B

Standards-aligned

Darryl Padgett

Used 30+ times

FREE Resource

23 Slides • 9 Questions

Arithmetic Sequence

By Darryl Padgett

Draw

Guess what is written in this picture.

Multiple Choice

Which of the following is an example of an arithmetic sequence?

Hint: Look for the common difference.

4, 8, 16, 32, 64

1, 2, 4, 7, 11

15, 13, 11, 9, 7

3, 6, 12, 24, 48

Draw

Using the recursive sequence, create a recursive formula format A_n= A_n-1± d to generate the recursive formula.

18, 10, 2, -6, …

Multiple Choice

Select the explicit rule that represents the sequence.

a_n = 14(-3)(n - 1)

a_n = 3 + (n - 1)(14)

a_n = 14 + (n - 1)(-3)

a_n = -3 + (n - 1)(14)

Multiple Choice

Select the explicit rule that represents the sequence.

a_n = 6 + 5(n - 1)

a_n = 4 + 6(n - 1)

a_n = 6 - 4(n - 1)

Multiple Choice

Which term of the arithmetic sequence 4,1,-2,-5......is -29?

Hint: find d first and substitute it into recursive formula and solve for n

9th term

10th term

11th term

12th term

Fill in the Blanks

Which glass will fill up first?

Multiple Choice

Write the RECURSIVE rule for the arithmetic sequence

-49, -35, -21, -7, ...

a₁= -49;

a_n = a_n-1 + 10

a₁= -7;

a_n = a_n-1 + 14

a₁= -49;

a_n = a_n-1 + 14

a₁= -49;

a_n = a_n-1 -14

Poll

Arithmetic Sequence

By Darryl Padgett

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