Expressions & Equations Flashcard

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 write '16 divided by the difference of a number p and 10' as an expression?

Back

Front

What is the quotient of 3 and a number y expressed mathematically?

Back

Front

If Greg spent a total of $37, bought a ticket for $9, and spent the rest on 7 raffle tickets, how do you find the cost of each raffle ticket?

Back

First, subtract the ticket cost from the total: $37 - $9 = $28. Then divide by the number of tickets: $28 / 7 = $4.

Front

Translate 'Thirteen minus four times a number is the same as that number less than one' into an equation.

Back

Front

What does it mean to translate a sentence into an equation?

Back

It means to convert a verbal statement into a mathematical expression or equation that represents the same relationship.

Front

How do you express 'Nine more than -8 times a number' as an equation?

Back

Front

What is the difference between an expression and an equation?

Back

An expression represents a value without an equality sign, while an equation states that two expressions are equal.

Front

Back

Isolate the variable by moving all terms involving x to one side and constant terms to the other.

Front

Back

You cannot simplify it further without knowing the value of p.