Expressions

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

How do you simplify the expression 3 + 5x + 4?

Back

Combine like terms to get 5x + 7.

Front

What is the process of combining like terms?

Back

Combining like terms involves adding or subtracting coefficients of terms that have the same variable raised to the same power.

Front

What is the result of simplifying the expression 4x + 3 + 7x?

Back

The simplified expression is 11x + 3.

Front

How do you represent the division of a total amount among 'c' children?

Back

You can represent it as 100 ÷ c, where 100 is the total amount.

Front

What does the variable 'x' typically represent in an expression?

Back

The variable 'x' often represents an unknown quantity that can change.

Front

How do you simplify the expression 6x + 1 + 7x?

Back

Combine like terms to get 13x + 1.

Front

What is the significance of writing an expression for a real-world situation?

Back

Writing an expression helps to model and solve problems by translating words into mathematical language.

Front

In the expression 75 - x - 1.25y, what do 'x' and 'y' represent?

Back

In this context, 'x' represents the cost of the shoes, and 'y' represents the number of candy bars bought.

Front

What is the first step in solving an application-based question?

Back

Identify the quantities involved and how they relate to each other.