Solving Equations with Square Root

Front

What is the square root of a number?

Back

The square root of a number x is a value y such that y² = x. For example, the square root of 9 is 3, since 3² = 9.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone on one side.

Front

What is the principle of taking square roots in equations?

Back

When you take the square root of both sides of an equation, you must consider both the positive and negative roots.

Front

Back

Front

Back

Front

Back

Front

Back

Front

Back

Front

What does it mean if an equation has no real solutions?

Back

An equation has no real solutions if the operations lead to a contradiction, such as a negative number under a square root.

Front

What is the standard form of a quadratic equation?

Back