Algebra 1 Semester 2 Study Guide

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value, often denoted by letters such as x, y, or z.

Front

What does it mean to simplify an expression?

Back

To reduce an expression to its simplest form by combining like terms and performing operations.

Front

What is the distributive property?

Back

A property that states a(b + c) = ab + ac, allowing you to multiply a single term by two or more terms inside parentheses.

Front

What is a polynomial?

Back

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression is a combination of numbers, variables, and operations without an equality sign.

Front

How do you find the excluded value in a rational expression?

Back

Set the denominator equal to zero and solve for the variable; the solutions are the excluded values.

Front

Back

Front

What is the quadratic formula?

Back

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of the variable.

Front

What is a coefficient in algebra?

Back