Arithmetic & Geometric Sequences

Quiz
•
Mathematics
•
10th - 11th Grade
•
Medium
Standards-aligned
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
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