1
1 point
Question at position 1
Fill in the blank to complete the formula that represents 2, 4, 8, 16,...
Assume "an" is an.
an=2*
Question Blank 1 of 1
type your answer...
^(n-1)
Question at position 2
2
1 point
Question at position 2
In a sequence of numbers, a3=-9, a4=-3, and a5=-1. Based on this information, which equation can be used to find the nth term in the sequence an?
In a sequence of numbers, a3=-9, a4=-3, and a5=-1. Based on this information, which equation can be used to find the nth term in the sequence an?
an=-243(⅓)n
an=-81(⅓)n
an=-9(⅓)n
an=-243(⅓)n-1
Question at position 3
3
1 point
Question at position 3
A sequence can be generated by using an=2a(n-1). If a1= 0.25, what is the value of a10?
A sequence can be generated by using an=2a(n-1). If a1= 0.25, what is the value of a10?
Type your answer...
Question at position 4
4
1 point
Question at position 4
A sequence can be generated by using an=½a(n-1), where a1=60 and n is a whole number greater than 1. What are the first four terms in the sequence?
A sequence can be generated by using an=½a(n-1), where a1=60 and n is a whole number greater than 1. What are the first four terms in the sequence?
120, 60, 30, 15
60, 30, 15, 7.5
60, 60.5, 61, 61.5
60, 59.5, 59, 58.5
answer all questions
1. an=2*(2)^(n-1)
2. an=-243(⅓)^n
3. a10=0.25*(2^9) = 0.25*512 = 128
4. 60, 30, 15, 7.5