0.2 Pre-Cal Partner Activity

What is an algebraic expression?

• A mathematical phrase that can contain numbers, variables, and operation symbols but no equal sign.

• A sentence that always contains an equal sign.

• A number without any variables.

• A statement that only contains addition.

What is the result of squaring (3x + 5)?

• 6x + 25

What is the result of multiplying (2x - √y)(2x + √y)?

Multiply (2x + 1)(3x - 5)?

• -8

• 0

• 8

• 2

What is the result of (2x - √y)(2x + √y) when x = 1 and y = 9?

• -5

• 542

• 0

• 1