Algebra 2: sequences quiz

Find the first 5 terms of the sequence: $a_n\ =\ 5n\ -\ 3$  

• -3, 2, 7, 12, 17

• 2, 7, 12, 17, 22

• 5, 2, -1, -4, -7

• 2, 7, 32, 157, 782

Write the first 5 terms of the sequence: $a_n\ =\ n^2\ -\ 2n$  

• 3, 8, 15, 24, 35

• -2, -3, -5, -10, -17

• -1, -2, -3, -4, -5

• -1, 0, 3, 8, 15

Find the next four terms of the arithmetic sequence 16, 24, 32,...

• 40, 48, 56, 64

• 36, 40, 44, 48

• 35, 40, 45, 50

• 40, 44, 50, 56

5, 15, 45, 135 is a ...

• Geometric sequence with r = 3

• Geometric sequence with r = 1/3

• Arithmetic sequence with d = 10

• Arithmetic sequence with d = 3

Write a formula for the following sequence:

5, 8, 11, 14, 17...

• a_n = 3(n-1) + 2

• a_n = 5 + (n-1)(3)

• a_n = 5 + (3)^n-1

• a_n = 5 + 3n

Given a₁= 5 and d= 2 find a₆

• 13
• 10
• 15
• 17

Tags

CCSS.HSF.BF.A.2

What does a₁ represent?

• Any term

• First term

• Last term

Find the first four terms of the sequence given the rule:

g_n = 4(5)^n-1

• 20, 100, 500, 2500

• 5, 20, 80, 320

• 4, 20, 100, 500

• 4, 9, 14, 19

Write the explicit rule for the arithmetic sequence

12, 10, 8, 6, ...

• a_n = 12+ (n -1)(-2)

• a_n = 2 + (n -1)(14)

• a_n = 12 + (n-1)(2)

• a_n = -12n + 14

Determine the first five terms of the sequence using the rule:
a₁ = 8; a_n = a_n-1 - 3

• 8, 11, 14, 17, 20
• 8, 5, 2, -1, -4
• 8, 24, 72, 216, 648
• 8, -24, 72, -216, 648

Tags

CCSS.HSF.BF.A.2