Algebra Review

Front

What is algebra?

Back

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

Front

What is a variable in algebra?

Back

A variable is a symbol (usually a letter) that represents an unknown value in an equation.

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 the order of operations in mathematics?

Back

The order of operations is a set of rules that tells you the sequence to follow when performing calculations: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered as PEMDAS.

Front

What is the product of two numbers?

Back

The product is the result of multiplying two numbers together.

Front

What does it mean to decrease a number?

Back

To decrease a number means to subtract a certain value from it.

Front

What is a function in mathematics?

Back

A function is a relation that assigns exactly one output for each input.

Front

What is the output of a function?

Back

The output of a function is the result you get after applying the function rule to an input.

Front

What is a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed. It can be written in the form y = mx + b.

Front

What does 'x + 3' represent in a function?

Back

In the function 'x + 3', for every input x, the output is 3 more than the input.