Grade 9 Coordinate geometry worksheet

What is on the worksheet

1. Find the slope through (-5, -2) and (3, 46).

2. Reflect (11, -1) in x = 1. What is the new x-coordinate?

3. Find the slope through (2, 2) and (7, -18).

4. Reflect (13, -4) in x = -3. What is the new x-coordinate?

5. Reflect (-19, 10) in x = -9. What is the new x-coordinate?

6. Find the slope through (-2, 7) and (5, -14).

7. Rotate (30, 10) 90° counterclockwise about the origin. Give the new x-coordinate.

8. Find only the x-coordinate of the midpoint of (5, 13) and (27, -11).

9. Find only the x-coordinate of the midpoint of (24, 1) and (26, 3).

10. Reflect (-4, -10) in x = -2. What is the new x-coordinate?

11. Find the slope through (9, -6) and (19, -76).

12. Find the slope through (-1, -9) and (3, 11).

13. Reflect (-10, 6) in x = 5. What is the new x-coordinate?

14. Rotate (20, 27) 90° counterclockwise about the origin. Give the new x-coordinate.

15. Find only the x-coordinate of the midpoint of (29, -16) and (-29, -18).

16. Rotate (-6, -25) 90° counterclockwise about the origin. Give the new x-coordinate.

17. Find only the x-coordinate of the midpoint of (-21, -7) and (13, -9).

18. Find only the x-coordinate of the midpoint of (-29, 17) and (3, -10).

19. Find the slope through (0, -5) and (7, -54).

20. Rotate (-22, -29) 90° counterclockwise about the origin. Give the new x-coordinate.