Circle Equations Complete the Square

Determine what numbers must go into the blanks shown in order to complete the square to write this equation in standard form for a circle.

Find the center and radius of the circle: x² + y² + 14x - 2y = -1. (Hint: Change to standard form by completing the square)

• center= -7,2 radius= 3

• center= -7,1 radius= 7

• center= -4,1 radius= 5

Which of the following graphs match the equation:

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Which equation matches the graph?

Write the equation of the circle in standard form:

• A

• B

• C

• D

Write the equation of the circle in standard form:

• A

• B

• C

• D

Write the equation of the circle in standard form:

• A

• B

• C

• D