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 and shows that one is greater than, less than, or not equal to the other.

Front

What does the symbol '=' represent?

Back

The symbol '=' represents equality, indicating that the values on both sides of the equation are the same.

Front

What does the symbol '>' represent?

Back

The symbol '>' represents that the value on the left is greater than the value on the right.

Front

What does the symbol '<' represent?

Back

The symbol '<' represents that the value on the left is less than the value on the right.

Front

What does 'r ≥ -6' mean?

Back

It means that the value of r is greater than or equal to -6.

Front

How do you solve the equation 10x = 90?

Back

Divide both sides by 10 to get x = 9.

Front

What is the solution to the equation 2t = 20?

Back

The solution is t = 10.

Front

What is a variable in an equation?

Back

A variable is a symbol, often represented by a letter, that stands for an unknown value in an equation.

Front

What is a solution to an equation?

Back

A solution to an equation is a value that, when substituted for the variable, makes the equation true.