Unit 1 Test Review

Front

What is a variable in algebra?

Back

A symbol, often represented by a letter, that stands for an unknown value in mathematical expressions and equations.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the equation for the sum of three times a variable x and a constant?

Back

3x + c, where c is a constant.

Front

How do you isolate a variable in an equation?

Back

By performing inverse operations to both sides of the equation until the variable is alone on one side.

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 a parenthesis.

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What does it mean for two expressions to be equivalent?

Back

They have the same value for all values of the variable.

Front

What is the purpose of combining like terms?

Back

To simplify an expression by merging terms that have the same variable raised to the same power.

Front

What is the first step in solving the equation 3x + 5 = 20?

Back

Subtract 5 from both sides to isolate the term with the variable.

Front

What is the solution to the equation 2x - 4 = 10?

Back

x = 7.