As per previous instruction, these are exercises from the powerpoint presentation. No Answer needed on this item ., A. Reduce the equation of a circle to standard form. Determine the center and radius. 1. 5x2 + 5y2 = 125 2. x2 + y2 - 6x + 4y - 23 = 0 3. 3x2 + 3y2 + 9x -12y + 16 =0 B. Write the equation of a circle satisfying the given conditions. 1. center C (2, -5), radius r=6 2. center C(3,-6) and tangent to the x-axis 3. center C(-2,4) and passes through the point (1,6) 4. center C(-2,-3) and tangent to the line x-2y=6 Enter your answer2 Part A. Question 1: Standard Form (follow this format x^2/a + y^2/b = r^2) (10 Points) Enter your answer 3 Part A. Question 1: Determine the center and the radius (follow this format C(h,k) and r=a) (10 Points) Enter your answer 4 Part A. Question 2: Standard Form (follow this format x^2/a + y^2/b = r^2) (10 Points) Enter your answer5 Part A. Question 2: Determine the center and the radius (follow this format C(h,k) and r=a) (10 Points) Enter your answer 6 Part A. Question 3: Standard Form (follow this format x^2/a + y^2/b = r^2) (10 Points) Enter your answer 7 Part A. Question 3: Determine the center and the radius (follow this format C(h,k) and r=a) (10 Points) Enter your answer8 Part B. Question 1: Find the standard Equation satisfying the given condition (follow this format x^2/a + y^2/b = r^2) (10 Points) Enter your answer 9 Part B. Question 2: Find the standard Equation satisfying the given condition (follow this format x^2/a + y^2/b = r^2) (10 Points) Enter your answer 10 Part B. Question 3: Find the standard Equation satisfying the given condition (follow this format x^2/a + y^2/b = r^2) (10 Points) Enter your answer11 Part B. Question 4: Find the standard Equation satisfying the given condition (follow this format x^2/a + y^2/b = r^2) (10 Points) Enter your