Evaluating Algebraic Expressions Major Test 2

Evaluate 4y

y = 3

• 7
• 12

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20
• 24
• 44

Identify the variable(s) in the expression 3x +  9

• x
• y
• 9
• 3x

How many terms are in the expression
3a + 2b + c + 100

• 3
• 4
• 5

Evaluate m²

m = 7

• 9

• 14

• 49

• 51

Evaluate b² + 4

b = 3

• 10
• 12
• 13

What is a variable? 

• A letter such as x that represents an un specified number

• a number that varies or changes throughout a problem
• A number
• a number

What is 4x if x=5?

• 20
• 16
• 9

What is 6+x when x=53?

• 59
• 50
• 47
• 90642

What is the difference between an expression and an equation

• Expressions have an equal sign and equations do not

• Equations have an equal sign and expressions do not