Creating Algebraic Expressions

Beth is 6 years younger than twice her brother's age.  How old is Beth?

• 6 - 2b

• 2b - 6

• 1/2b + 6

• b + 6

The product of 7 and j increased by 3 is shown in which expression?

• 3+7j

• 7j-3

• 7(j+3)

• 3j+7

Evaluate 3x + 8   if x = 2

• 13

• 14

• 15

• 16

Evaluate when x = 8:
2x + x - 10

• 34

• 22

• 14

• 24

Evaluate the expression when x = 3. 
2x² - 5

• 31

• 12

• 7

• 13

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

• 4, 2, -6

• -4 and x

• X and Y 

• -6

The quotient of a number and 8

• 8g

• 8/g

• g+8

• g/8

Students mailed invitations to a play to 414 parents. Each student mailed 18 invitations. If s equals the number of
students who mailed invitations, which equation best shows the
number of invitations that were mailed?

•  s + 18 = 414 

• s ÷ 18 = 414 

• 18 ÷ s = 414

•  18s = 414

2(-8+7v)

• 16+14v

• 30v

• -2v

• -16+14v

Which expression is equivalent to 6b + 3(a+b)?

• 3a (7b)

• 9b + (a+b)

• 3a + 6b

• 3a + 9b