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 'c - 6'?

Back

In the expression 'c - 6', 'c' represents the number of CDs Emily has.

Front

Translate 'the difference of 3 times a number and 7' into an algebraic expression using 'n'.

Back

The expression is '3n - 7'.

Front

If 'm' represents the amount of money Zoe had, how do you express how much she has after spending $28?

Back

The expression is 'm - 28'.

Front

What does the expression '5x + 9' represent in the context of Connor's age?

Back

It represents five times Connor's age increased by 9.

Front

How do you express the number of people on a basketball team if they bought 18 T-shirts and each member gets 't' T-shirts?

Back

The expression is '18/t'.

Front

What is the difference between an equation and an expression?

Back

An equation contains an equality sign and shows that two expressions are equal, while an expression does not.

Front

What does the term 'coefficient' mean in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression.

Front

What is the purpose of using variables in algebraic expressions?

Back

Variables are used to represent unknown values and allow for generalization in mathematical expressions.

Front

How would you express 'the sum of a number and 12' using the variable 'x'?

Back

The expression is 'x + 12'.