9th grade algebra 1

What is Algebra 1?

Algebra 1 is the branch of mathematics that introduces students to symbols, variables, and equations. It builds on arithmetic by using letters to represent numbers and solve problems.

What is a variable?

A variable is a letter or symbol that represents an unknown or changing quantity in an algebraic expression or equation.

What is a constant?

A constant is a value that does not change in an expression or equation; it's a fixed numerical value.

What is an algebraic expression?

An algebraic expression is a mathematical phrase that can contain variables, constants, and operation symbols (like {+}, {-} , {*} , {/}), but does not have an equals sign.