Quiz about Review Sequences

Question 1

Which of the following best describes the sequence?

14, 24, 34, 44, ...

Accepted Answer

arithmetic

Answer

geometric

Answer

neither

Question 2

Which of the following best describes the sequence?

14, 16, 20, 26, ...

Accepted Answer

neither

Answer

arithmetic

Answer

geometric

Question 3

Which of the following best describes the sequence?

200, 100, 50, 25...

Accepted Answer

geometric

Answer

arithmetic

Answer

neither

Question 4

Write the recursive rule for the following sequence:

3, 8, 13, 18, ...

Accepted Answer

a₁=3

a_n=a_n-1+5

Answer

a₁=5

a_n=a_n-1+3

Answer

a₁=3

a_n=a_n+1+5

Answer

a₁=3

a_n=a_n-1 $$\cdot$$ 5

Question 5

Write the recursive rule for the following sequence:

3, 12, 48, 192, ...

Accepted Answer

a₁=3

a_n=a_n-1 $$\cdot$$ 4

Answer

a₁=4

a_n=a_n-1 $$\cdot$$ 3

Answer

a₁=3

a_n=a_n-1+4

Answer

a₁=3

a_n=a_n+1 $$\cdot$$ 4

Question 6

Write the explicit rule for the following sequence:

50, 40, 30, 20, ...

Accepted Answer

$$a_n=-10n+60$$

Answer

$$a_n=10n+60$$

Answer

$$a_n=10n-60$$

Answer

$$a_n=-10n+50$$

Question 7

Write the explicit rule for the following sequence:

-2, -6, -18, -54 ...

Accepted Answer

$$a_n=-2\cdot3^{n-1}$$

Answer

$$a_n=-3\cdot2^{n-1}$$

Answer

$$a_n=2\cdot-3^{n-1}$$

Answer

$$a_n=-6^{n-1}$$

Question 8

Which graph looks like a straight line?

Accepted Answer

arithmetic

Answer

geometric

Answer

quadratic

Answer

hyperbolic

Question 9

Which graph looks curved?

Accepted Answer

geometric

Answer

arithmetic

Answer

neither

Review Sequences

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