Standard form to Equation of Circle Completing the Square Standard form to Equation of Circle

Process 1 variable Group variables – coefficient of first term should be 1 Move other terms (usually integers or constant to other side) Take coefficient of the second term divide by 2 and square it Add value from step 3 to both sides Factor – you have a trinomial and you are going to make it a binomial squared (x sign of second term square root of third)squared

Example

Try these

2 Variables What do you think you would do if there were two variables squared, like a circle.

Complete the square twice Follow same six steps we discussed, but do them for both the x variable and the y variable. When completing the square for each variable add the value inside the ( )

Practice Due Wed Come up with two questions to review for the test, can be from quizzes or homework.