Variables

Front

What is a variable in mathematics?

Back

A symbol, often a letter, that represents a number in an expression or equation.

Front

What does the expression '4n + 10' represent?

Back

Four times a number (n), plus ten.

Front

How do you solve the equation '7x = 3x + 24'?

Back

By isolating x, you find that x = 6.

Front

What is the solution to the equation '4k + 24 = 6k - 10'?

Back

k = 17.

Front

Evaluate the expression '24 + s' when s = 10.

Back

The result is 34.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression by substituting variables with numbers.

Front

What is an algebraic expression?

Back

A mathematical phrase that can include numbers, variables, and operation symbols.

Front

What is the coefficient in the expression '5x'?

Back

5 is the coefficient, which multiplies the variable x.