Algebra Vocabulary CW

Front

What is an equation?

Back

An equation is a mathematical statement that shows the equality of two expressions, typically containing one or more variables. Example: y + 2 = 10.

Front

Define substitute.

Back

To substitute means to replace a variable with a specific value.

Front

What does the term 'domain' refer to in a function?

Back

The domain is the set of all possible x-values (inputs) for a function.

Front

How many terms are in the expression 5y - 3rx + 7?

Back

There are 3 terms in the expression: 5y, -3rx, and 7.

Front

What is a parabola?

Back

A parabola is a U-shaped curve that is created when you graph a quadratic function.

Front

What is a variable?

Back

A variable is a symbol (often a letter) that represents an unknown value in mathematics.

Front

What is a coefficient?

Back

A coefficient is a number that is multiplied by a variable in an algebraic expression. Example: In 3x, 3 is the coefficient.

Front

What is an expression?

Back

An expression is a combination of numbers, variables, and operations (like addition and multiplication) that represents a value.

Front

What does 'evaluate' mean in mathematics?

Back

To evaluate means to calculate the value of an expression by substituting variables with numbers.

Front

What is a constant?

Back

A constant is a fixed value that does not change. Example: In the expression 4x + 5, 5 is a constant.