Lesson 4-7 Review Arithmetic Sequences. Recursive/Explicit

Identify the common difference.

-6, -3, 0, 3, 6....

• 4

• 3

• -4

• -3

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

The next two terms of the sequence 4,7,10,13 are

• 16 and 19
• 15 and 19
• 16 and 18
• 15 and 18

Tags

CCSS.HSF.BF.A.2

Is the sequence geometric or arithmetic?
3, 6, 9, 12...

• Arithmetic
• Geometric
• Neither

Is the sequence geometric or arithmetic?
6, 18, 54...

• Arithmetic
• Geometric
• Neither

Write the recursive rule for the arithmetic sequence
82, 76, 70, 64, ...

• a₁=82; a_n = a_n-1-6
• a₁=64; a_n = a_n-1-6
• a₁=82; a_n = a_n-1+6
• a₁=64; a_n = a_n-1+6

Tags

CCSS.HSF.BF.A.2

Write the recursive rule for the arithmetic sequence
82, 76, 70, 64, ...

• a₁=82; a_n = a_n-1-6
• a₁=64; a_n = a_n-1-6
• a₁=82; a_n = a_n-1+6
• a₁=64; a_n = a_n-1+6

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

Tags

CCSS.HSF.BF.A.2

Write the explicit rule for the arithmetic sequence
-10, -3, 4, 11,...

• a_n = 10n + 17
• a_n = 7n - 17
• a_n = -7n + 17
• a_n = 7n + 3

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

Identify the rule as recursive or explicit, then find the first 4 terms of the sequence.
a₁ = 100; a_n = a_n-1 - 8

• Explicit; 100, 92, 84, 76
• Recursive; 100, 92, 84, 76
• Explicit; 100, 108, 116, 124
• Recursive; 100, 108, 116, 124

Tags

CCSS.HSF.BF.A.2

Identify the rule as recursive or explicit, then find the first 4 terms of the sequence.
a_n = -4n - 1

• Explicit; -3, -7, -11, -15
• Recursive; -3, -7, -11, -15
• Explicit; -5, -9, -13, -17
• Recursive; -5, -9, -13, -17

Tags

CCSS.HSF.BF.A.2