Algebra and Patterns Unit Test

What are the next three terms for the following pattern? (6,9,12,15...)

• 19, 24, 27

• 18, 23, 25

• 18, 21, 24

• 17, 19, 21

Which algebraic expression describes the following pattern.

6, 10, 14, 18 (hint: draw a input/output table to help you)

• 4x+1

• 6x+2

• 6x

• 4x+2

Which algebraic expression is true for the following statement:

double a number and add 5

• 5 + 2x

• x2 + 5

• 2x + 5

• 4x + 5

Which algebraic expression is true for the following statement.

subtract 7 from a number, then multiply by 2

• x - 7 + 2

• 2 + x - 7

• (x - 7) x 2

• (7 - x) x 2

What is the following expression in words?

(27 + n) x 5

• a number plus 27 multiplied by 5

• 5 multiplied by 27 plus a number

• a number plus 27, then multiplied by 5

• 27 plus a number, then multiplied by 5

Write the following algebraic expression in words.

n + 8

• a number and 8

• a number plus 8

• 8 and a number

• 8 plus a number

The table shows a pattern. Which algebraic expression describes how each 'output' relates to the 'input'?

• x + 3

• 3 + x

• 3x

• 2x + 1

Find the value of 'n'.

4n + 7 = 15

• 2

• 5.5

• 32

• 12

Find the value of 'n'.

5n - 4 = 11

• 4

• 1

• 3

• 5

Evaluate the following expression by replacing 'x' with 4.

20 - 2x

• 12

• 28

• 14

• 16