Basic Expressions in Math

a single number, variable, or a product of numbers and variables within an expression, separated by addition or subtraction signs

a combination of numbers, variables, and mathematical operations written together without an equal sign

It represents unknown numbers and uses the English alphabets as symbols

Expressions that contain equal sign.

Choose the algebraic expression that matches the verbal phrase.

• A) x + y

• B) x - y

• C) x * y

• D) x / y

Simplify:

• -4x - 3

• x² - 3

• -4x² - 6x

• -4x - 6

the value (or set of values) that, when substituted into an equation, makes the equation true

Keeping one variable on one side.

What is the √2

• 1.41421356237

• 2.41421656237

• 7.414213567512

• 1.51421356237

What is the value of √8?

• 2.82842712475

• 3.82842712475

• 4.82842712475

• 5.82842712475