Algebra Test Review

Front

What is algebra?

Back

Algebra is a branch of mathematics that uses symbols and letters to represent numbers and quantities in formulas and equations.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value in an equation or expression.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is an equation?

Back

An equation is a mathematical statement that shows that two expressions are equal, usually containing an equal sign (=).

Front

What is the order of operations in math?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is a mathematical expression?

Back

A mathematical expression is a combination of numbers, variables, and operators (like +, -, ×, ÷) that represents a value.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting numbers for the variables and performing the operations.

Front

What is a coefficient?

Back

A coefficient is a number that is multiplied by a variable in an algebraic expression.

Front

What is a constant in algebra?

Back

A constant is a fixed value that does not change, such as a number in an equation.

Front

What is a pan balance used for in algebra?

Back

A pan balance is used to visually represent equations and to show that two sides of an equation are equal.