Mastery of Equations & Inequalities (3rd Period)

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

Back

x = -8

Front

Back

x > -28

Front

Back

x = -23

Front

Back

x = 9

Front

What is the first step in solving an equation?

Back

The first step is to isolate the variable on one side of the equation.

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to manipulate the equation so that the variable is alone on one side, making it easier to solve.

Front

What is the solution to the word problem: Jill sold half of her comic books and then bought 11 more. She now has 47 comic books. How many did she start with?

Back

Jill started with 36 comic books.

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.