writing equations and inequalities

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions, showing that one is greater than, less than, or not equal to the other.

Front

How do you solve the equation m - 12 = 5?

Back

To solve for m, add 12 to both sides: m = 5 + 12, so m = 17.

Front

What does the inequality x ≥ 48 mean?

Back

It means that x can be any number that is 48 or greater.

Front

How do you write an equation for the total number of students after 4 new students join?

Back

If n is the number of students before, the equation is n + 4 = total students.

Front

What is the solution to the inequality 5x < 30?

Back

To solve for x, divide both sides by 5: x < 6.

Front

What does the symbol '>' represent in inequalities?

Back

The symbol '>' means 'greater than'.

Front

What does the symbol '<' represent in inequalities?

Back

The symbol '<' means 'less than'.

Front

What is the first step in solving the equation n + 4 = 32?

Back

Subtract 4 from both sides: n = 32 - 4, so n = 28.

Front

How can you represent a situation where a number is at least a certain value?

Back

You can use the inequality symbol '≥' to represent that a number is at least a certain value.