 Writing Arithmetic and Geometric Sequences
2 years ago
mskowalski
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Practice 16 QuestionsShow answers
• Question 1
60 seconds
Q. Which kind of sequence has a common ratio?
Arithmetic
Geometric
• Question 2
60 seconds
Q. Which kind of sequence has a common difference?
Arithmetic
Geometric
• Question 3
300 seconds
Q. Create the formula for the arithmetic sequence:
2, 8, 14, ...
a= 2+6n
a= -6+6n
an= -4+6n
a= 4-6n
• Question 4
300 seconds
Q. Create the formula for the arithmetic sequence:
18, 20, 22, 24...
a= 16+2n
a= -16+2n
an= 2-16n
a= 2+16n
• Question 5
300 seconds
Q. Create the formula for the arithmetic sequence:
-10, -3, 4, 11...
a= 17-7n
a= -17+7n
an= -17-7n
a= 17+7n
• Question 6
300 seconds
Q. Create the formula for the arithmetic sequence:
6, 11, 16, 21...
a= -1-5n
a= -1+5n
an= 1+5n
a= 1-5n
• Question 7
300 seconds
Q. Create the formula for the geometric sequence:
1, 4, 16, 64...
a= 3n-1
a= 2n-1
a= 5n-1
a= 4n-1
• Question 8
300 seconds
Q. Create the formula for the geometric sequence:
-2, 10, -50, 250...
a= 2(-5)n-1
a= -2(-5)n-1
a= -2(5)n-1
a= 2(5)n-1
• Question 9
300 seconds
Q. Create the formula for the geometric sequence:
-4, -16, -64, -256...
a= -4(4)n-1
a= -4(-4)n-1
a= 4(4)n-1
a= 4(4)n-1
• Question 10
300 seconds
Q. Create the formula for the geometric sequence:
3, -18, 108, -648...
a= -3(6)n-1
a= -3(-6)n-1
a= 3(6)n-1
a= 3(-6)n-1
• Question 11
900 seconds
Q. Create the formula for the arithmetic sequence:
5, 105, 205, 305...
then find the 22nd term.
a22 = 1905
a22 = 2105
a22 = 2195
a22 = 2305
• Question 12
900 seconds
Q. Create the formula for the arithmetic sequence:
-38, -48, -58, -68...
then find the 37th term.
a37 = -408
a37 = -388
a37 = -398
a37 = -378
• Question 13
900 seconds
Q. Create the formula for the arithmetic sequence:
-15, -5, 5, 15...
then find the 34th term.
a34 = 300
a34 = 315
a34 = 330
a34 = 345
• Question 14
900 seconds
Q. Create the formula for the geometric sequence:
1, 4, 16, 64...
then find the 9th term.
a9 = 64546
a9 = 65436
a9 = 65546
a9 = 65536
• Question 15
900 seconds
Q. Create the formula for the geometric sequence:
-3, -6, -12, -24...
then find the 12th term.
a12 = -6144
a12 = 6144
a12 = -6234
a12 = 6234
• Question 16
900 seconds
Q. Create the formula for the geometric sequence:
1, -2, 4, -8...
then find the 11th term.