Algebraic Expressions

How many terms are in the following expression?

3x + y + 42

• 2 terms

• 3 terms

• 4 terms

An expression does not have an equal sign.

• True

• False

Solve for 2m if m= 10.

Challenge: If x = 2 and y = 3, what is 5x + 2y?

Evaluate the expression

r(r – 9)
r = 11

• 12
• 22
• 44
• 99

(s – 5)² 
s = 13 

• 34
• 64
• 144
• 16

The sum of seven and x

• 7-x
• 7+x