Numerical and Algebraic Expressions Review

What is the value of 5a + 7b if a=4 and b=3?

• 41

• 12

• 43

• 35

Simplify the expression: 3(1 - 2x) + 7

• 21 - 6x

• 24 + 6x

• 10 + 6x

• 10 - 6x

Evaluate the expression.   Let g = 3    h = 9 
4h + 2g + 4

• 42

• 46

• 34

• 58

-(-x + 2) - 4x

• -5x - 2

• -3x + 2

• -5x + 2

• -3x  - 2

5 - 3(5x - 4)

• 15x + 7

• -15x + 17

• 15x - 7

• -15x - 17

What is the coefficient of x?
8 + 5x - y

• 8

• 1

• 5

• -5

What is the coefficient of y?

8 + 5x - y

• 8

• -1

• 5

• 1

Which property is illustrated by the statement 8 + 2 = 2 + 8?

• Associative

• Commutative

• Distributive

• Identity 

What is the simplified form of this expression?
4(3x + 2y)

• 20x

• 12x + 8y

• 20xy

• 12x + 8

Which are examples of like terms?

• 7y and 8x

• 5x and x

• 4 and 4x

• 9 and x