One step 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 does it mean when we say 'x > 7'?

Back

It means that the value of x is greater than 7.

Front

What is the solution to the equation 8.9 + j = 12.8?

Back

j = 3.9

Front

What does the inequality x < 8 represent?

Back

It represents all values of x that are less than 8.

Front

What is the correct expression for '7 is less than a number'?

Back

x > 7

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents an unknown value in an equation or expression.

Front

What does it mean for an equation to have a solution?

Back

It means there is a value for the variable that makes the equation true.

Front

What is the difference between an equation and an inequality?

Back

An equation states that two expressions are equal, while an inequality shows the relationship between expressions that are not necessarily equal.

Front

What is the solution to the equation x - 3 = 9?

Back

x = 12

Front

What does the expression 'x ≤ 7' mean?

Back

It means that x can be 7 or any value less than 7.