1.
An arithmetic sequence is a sequence where -> the difference of successive terms is constant.
True
False

2.
The sequence

-1, -1, -1, -1,...

is -> both arithmetic and geometric
True
False

3.
The sequence

0, -3, -6, -9, ...

is -> arithmetic only.
True
False

4.
The sequence

60, -30, 15, -7.5,...

is -> geometric with
True
False

5.
An arithmetic sequence has a _{1} = 5 and d = 9. What is a _{25} ? -> 221
True
False

6.
An arithmetic sequence has a _{11} = 4.54 and a _{20} = 9.04. Find a _{1} and d . -> d = 0.5 and a _{1} = -0.46
True
False

7.
A geometric sequence has a = 100,000 and r = 0.2. Find a _{10} . -> 0.0512
True
False

8.
A geometric sequence has a _{5} = c and a _{10} = d . Which of the following is true? ->
True
False

9.
In a geometric sequence, the general term is given by -> a_{n} = a _{1} r ^{n + 1}
True
False

10.
An arithmetic sequence has a _{8} = 9.5 and a _{9} = 9.75. What is a _{2} ? -> 7.75
True
False