Free Printable 10.1 Concept Check

1.

What is the 5th term of the sequence:

6, 11, 16, 21, 26, 31, 36, ...

(a)

2.

Given the sequence:

4, 8, 12, 16, 20, 24, 28,...

what is $s_5$ ?

(a)

3.

What is the 7th term of the sequence: 10, 16, 22, 28, ...

(a)

4.

Find $a_{11}$ for the sequence with the explicit formula: $a_n=3n+5\left(-1\right)^{\left(n+1\right)\ \ }$

(a)

5.

$b_1=12\ ,\ b_n=3b_{\left(n-1\right)}-10$

Given the recursive formula above,

find $b_4$ .

(a)

6.

How would you find $a_{85}$ if $a_n=6a_{\left(n-1\right)}-3\left(n-5\right)$

a)

$6a_{84}-3•80$

b)

$6•84-3•80$

c)

$6a_{84}-3a_{80}$

d)

none of these

7.

Given the explicit formula below,
find $s_4$ :

$b_n=-2n+10$

(a)

8.

$\sum_{n=3}^6\left(3n+5\right)$

Find the sum represented by the notation above.

(a)

9.

Which of the following represents the series represented by:
$\sum_{n=4}^∞\left(n^{2\ }-3\right)$

a)

13 + 22 + 33 + 46 + 61

b)

13 + 22 + 33 + 46 + 61 + . . .

c)

-2 + 1 + 6 + 13 + 22 + 33 + . . .

d)

13, 22, 33, 46, 61, . . .

10.

How do you think you did?

a)

Horrible!

b)

Eh, I think ok. But not sure though.

c)

I think I did pretty good.

d)

I rocked this!

10.1 Concept Check

Total questions: 10

Worksheet time: 21mins

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