Circles and completing the square

Front

Complete the square for x² - 12x + ____

Back

36

Front

Complete the square: x² + 6x + ____

Back

x² + 6x + 9

Front

Complete the square: x² + 14x + ____

Back

x² + 14x + 49

Front

Complete the Square
x² + 10x + ____

Back

x² + 10x + 25

Front

What does (h,k) stand for in the standard circle equation?

Back

(h,k) is the center of the circle

Front

What does the r in the standard equation stand for?

Back

r is the radius of the circle

Front

Equation of circle: x² + y² - 12x + 8y + 3 = 0. Use completing the square to write in standard form.

Back

(x - 6)² + (y + 4)² = 49

Front

Change the following equation to standard form:
x²+y²-4x+12y-8=0

Back

(x-2)²+(y+6)²=48

Front

What is the center for the circle with this equation x²+y²+4x+6y-36=0?

Back

(-2,-3)

Front

What is the radius of the circle with this equation x²+y²-10x+8y-23=0?

Back

8