substitute variables

Front

What is a variable in mathematics?

Back

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

Front

What is an algebraic expression?

Back

An expression that contains numbers, operations, and one or more variables.

Front

Evaluate 6p - 3 when p = 2.

Back

9

Front

What is the value of 6^2?

Back

36

Front

If h = 2, what is the expression for 5h?

Back

5(2)

Front

Identify the variables in the expression 3x + 4y = 7.

Back

x and y

Front

What does it mean to substitute a variable?

Back

To replace a variable with a specific value.

Front

What is the result of substituting p = 3 in the expression 4p + 1?

Back

13

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.

Front

What is the term for a mathematical statement that shows the relationship between two expressions?

Back

An equation.