Investigating Patterns

What is the common difference in the following sequence: 2, 4, 6, 8, 10, .....

• 1
• 0.5
• 2
• 8

Write an expression using the letter "n" for the following sequence of numbers: 2, 4, 6, 8. 10. ...

• 4n
• 2n +1
• 2n -1
• 2n

What is the common difference in the above picture?

• 30
• -3
• 3
• 2

Does the graph show the relationship between the table on the right?

• Yes
• No

Evaluate 3x - 12 for x = 5.

• 2
• 3
• 1
• 5

Evaluate 45 + 15(n - 1) for n = 6.

• 135
• 55
• 65
• 120

What is the common difference in the table pictured above?

• 8
• 1
• 12
• 9

Write the numbers in the right column as a sequence.

• 82, 70, 58, 46, ...
• 1, 2, 3, 4, ...
• 46, 58, 70, 82, ...
• 4, 3, 2, 1, ...

Look at the following sequence of numbers: -6, -3, 0, ___ , 6, 9, ___ , 15, 18, …
What numbers would have to be in the red blanks?

• 3 and 12
• 8 and 2
• -1 and 200
• x and y

Evaluate the following expression 12 + 8(n - 1) for n = -2.

• 4
• 12
• -12
• 5