Writing Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.

Front

What does the variable 'c' represent in the expression \( \frac{c}{4} \)?

Back

The variable 'c' represents the total number of cookies Joe bought.

Front

If there are 'p' passengers on a plane with 100 seats, how do you express the number of empty seats?

Back

The number of empty seats can be expressed as \( 100 - p \).

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change. In the expression \( 10 + 2x \), the constant is 10.

Front

How do you represent the total number of chairs if there are 'r' rows with 8 chairs each?

Back

The total number of chairs can be represented as \( 8r \).

Front

What is the difference between a variable and a constant?

Back

A variable is a symbol that represents an unknown value, while a constant is a specific value that does not change.

Front

How do you express the amount of money Catherine still needs for a laptop costing $2,000 if she has 'd' dollars saved?

Back

The expression is \( 2000 - d \).

Front

What does the expression \( 4c \) represent?

Back

The expression \( 4c \) represents four times the number of cookies Joe bought.

Front

In the expression \( 10 + 2x \), what does '2x' represent?

Back

The term '2x' represents a variable term where 'x' is multiplied by 2.

Front

What is the purpose of using algebraic expressions?

Back

Algebraic expressions are used to represent real-world situations mathematically, allowing for problem-solving and analysis.