Unit 6 Practice Test

• 5, 19, 33, 47, ...

• 14, 19, 24, 29, ...

• 19, 24, 29, 34, ...

• 0, 5, 19, 30, ...

• 3

• 4

• 9

• 24

Which of the following formulas would result in the sequence 96, 85, 74, 63, ...?

Select all that apply.

• Arithmetic with a common difference of -8

• Arithmetic with a common difference of 8

• Geometric with a common ratio of 3

Karie is making a quilt with a design of rectangles. The largest rectangle has a length of 60 inches. Rectangle 2 is located inside the first rectangle, with a side length 75% the length of Rectangle 1. The pattern continues like this using the 75% reduction factor. Which rectangle will first have a length of less than 20 inches?

• Rectangle 3

• Rectangle 4

• Rectangle 5

• Rectangle 6

• 6, 4, 2, 0, -2, ...

• -2, 4, 10, 16, 22, ...

• 4, 2, 0, -2, -4, ...

• 4, 10, 16, 22, 28, ...

4, 10, 16, 22, 28, ...

Which recursive formula represents the sequence?

Classify the following as arithmetic, geometric, or neither:

George gets one inch taller every year.

• Arithmetic

• Geometric

• Neither

Classify the following as arithmetic, geometric, or neither:

Every hour, there are 50% more bacteria in the petri dish.

• Arithmetic

• Geometric

• Neither

Classify the following as arithmetic, geometric, or neither:

Annie rolls a 6-sided die over and over again.

• Arithmetic

• Geometric

• Neither