Solving Equations (3.3-3.5 Review)

Front

What is the inverse operation of addition?

Back

Subtraction

Front

What is the inverse operation of multiplication?

Back

Division

Front

Using the 'opposite operation' to 'undo' and isolate the variable when solving an equation is more commonly called...

Back

Inverse operations

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.

Front

What does it mean to isolate a variable?

Back

To manipulate an equation so that the variable is on one side and all other terms are on the other side.

Front

What is the first step in solving the equation 2x + 3 = 11?

Back

Subtract 3 from both sides to get 2x = 8.

Front

What is the solution to the equation x - 5 = 10?

Back

x = 15.

Front

What is the purpose of using inverse operations in solving equations?

Back

To 'undo' operations and isolate the variable.

Front

If you have the equation 4y = 20, what is the first step to solve for y?

Back

Divide both sides by 4 to get y = 5.

Front

What does PEMDAS stand for?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).