2. Equation of Circle Midpoint and Endpoint Distance Slope 50 40 30 20 10 20 30 40 50 10 20 30 40 50 10 20 30 40 50

3. Topic 1 – 10 Points QUESTION: What is slope formula? ANSWER:

4. Topic 1 – 20 Points QUESTION: What is most likely the slope of the following graph? ANSWER: 2

5. Topic 1 – 30 Points QUESTION: Determine the slope of that contains A(-2,2) and B(3,0). ANSWER:

6. Topic 1 – 40 Points QUESTION: Determine the slope of the line that contains (-9, 7) and (5, 7). ANSWER: Zero

7. Topic 1 – 50 Points QUESTION: Determine the slope of the line that contains (-2, -4) and (-2, 4). ANSWER: Undefined

8. Topic 2 – 10 Points QUESTION: What is the distance formula? ANSWER:

9. Topic 2 – 20 Points QUESTION: Determine the distance between the points A(-5,7) and B(2,1)? ANSWER:

10. Topic 2 – 30 Points QUESTION: Determine the distance of ANSWER:

11. Topic 2 – 40 Points QUESTION: What is the length of the diagonal ? ANSWER:

12. Topic 2 – 50 Points QUESTION: What is the length of the diameter of a circle if C(-5,3) and D(5,-3) are endpoints of the diameter? ANSWER: Diameter is 10 units

13. Topic 3 – 10 Points QUESTION: What is the midpoint formula? ANSWER:

14. Topic 3 – 20 Points QUESTION: Determine the coordinates of the Midpoint of ANSWER: (-1, ½)

15. Topic 3 – 30 Points QUESTION: What is the point of intersection of and ? ANSWER: (4.5, 1 )

16. Topic 3 – 40 Points QUESTION: Segment CD has an end point at (-4,4). If the midpoint of the segment is (-2,2), what are the coordinates of the point at the other end of the segment? ANSWER: (0,0)

17. Topic 3 – 50 Points QUESTION: A segment with end points E(-4,1) and (8,1) is the diameter of a circle. Where is the center of the circle? ANSWER: (2,1)

18. Topic 4 – 10 Points QUESTION: What is the equation of the circle? ANSWER: (x – h) 2 + (y – k) 2 = r 2

19. Topic 4 – 20 Points QUESTION: What are the coordinates of the center and radius of a circle represented by the equation (x+5) 2 + (x-7) 2 =25? ANSWER: Center: (-5, +7) radius 5

20. Topic 4 – 30 Points QUESTION: Write an equation for a circle with center (6,-10) and diameter 8. ANSWER: (x – 6) 2 + (y + 10) 2 = 16

21. Topic 4 – 40 Points QUESTION: Which is the equation of the following graph? ANSWER: x 2 + y 2 = 9

22. Topic 4 – 50 Points QUESTION: A circle whose center is at (1,-3) passes through (7, 5). What is the equation of the circle? ANSWER: (x – 1) 2 + (y + 3) 2 = 100