Represent Linear Expressions

Which expression is equivalent to:

• - 12x - 11

• - 12x + 11

• 12x - 11

• 12x + 11

• None

Which expression is equivalent to:

- 2 ( 3x - 3 ) - 4 ( x + 5 )

• - 10x - 26

• - 10x + 26

• 10x - 26

• 10x + 26

• None

Which expression is equivalent to:

- 4 ( x - 6 ) - 3 ( x - 2 )

• - 7x - 30

• - 7x + 30

• 7x - 30

• 7x + 30

• None

Which expression is equivalent to:

2 ( x - 7 ) - ( 4x - 3 )

• - 6x - 17

• - 6x + 17

• 6x - 17

• 6x + 17

• None

• A. 3 less than x
• B. 3 more than x
• C. 3 times as much as x
• D. the same as the value of x

A holiday meal costs $12.50 a person plus a delivery fee of $30.

• 30 + 12.5x 

• 12.5 + 30

• 12.5 + 30x

Bob has $150 in his savings account and saves $40 per month.  Which equation represents the amount Bob has in his account after x months?

Mathematical Equivalence

ON

• a
• b
• c
• d

The equation for the table below is y=2x+5, fill in the missing values.

c

d

e

f

9

-1

4

3

7

0

Select the buttons that represent "negative 2x plus 1"