στ Practice on Your Own Here's a chance for you to test your understanding. Practice with these problems, and check your answers against the key you see below. Remember to ask for help, if necessary. Identify the center and radius for each circle. 1). (x-8)²+y^2=12 2). x² +y^2=71 3).x²+ y²+6x-10y+34 = 25 b b 4).x^2+y^2-22y= 35 +20x 5). x²+ y² - 39/4=y-3x
