Equations

How could you express the sum of 6 and x?

• x + 6

• 6 ÷ x

• x + 4

• 6x

Identify the variables in the following expression:
4x + 2y - 6

• 4, 2, -6

• 4 and x

• x and y 

• -6

What is the operation of the following expression?  

• multiplication 

• addition 

• subtraction 

• division 

Evaluate 8 + g when g=28.

• 36

• 288

• 20

• 828

Which expression is equivalent to 5(7m + 9)?

• 35 + 45

• 35m + 45 

• 7m + 45

• 80m

Which expression is equivalent to 4(b + 6n)?

• 4b + 24n

• b + 6n

• 4 + 6n

• 28bn

Combine the like terms to create an equivalent expression of:
 6m + 4m + 3c + 2c

• 11m + 6c

• 10m + 3c + 5c

• 10m + 5c

• 15mc

Translate the following sentence into an inequality:
x is less than 5 more than 3½

• x > 3½ x 5

• x < 3½ + 5

• x < 3½ x 5

• x > 3½ + 5

An equation is shown. What is the value of y to make the equation true?
5 = y - 2½

• y = 3½

• y = 2½

• y = 5

• y = 7½

What is a different way to express
 (x + 3)² ?

• x² + 3²

• x + x + 3 + 3

• (x + 3) * (x + 3)

• x + 9