One-Step Equations & 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

Which of the following represents an equation? x + 6 = 10 or Twice a number is six?

Back

x + 6 = 10 is an equation because it contains an equal sign.

Front

What does the inequality x > 45 mean?

Back

It means that x can be any number greater than 45.

Front

What is the solution to the equation x - 214.8 = 198.4?

Back

x = 198.4 + 214.8 = 413.2.

Front

If Sam earns $4 per hour and earned $10, how many hours did he work?

Back

x = 10 / 4 = 2.5 hours.

Front

What does an open circle on a number line indicate?

Back

An open circle indicates that the number is not included in the solution set.

Front

What does a closed circle on a number line indicate?

Back

A closed circle indicates that the number is included in the solution set.

Front

How do you graph the inequality x > -4?

Back

Draw a number line, place an open circle at -4, and shade to the right.

Front

What is the difference between an equation and an inequality?

Back

An equation states that two expressions are equal, while an inequality shows that one expression is greater than or less than another.

Front

What is the solution to the inequality x > 45?

Back

Any number greater than 45 is a solution.