1. Discovery Discriminant
Stations handout
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

2. Station 1 Station 2 Station 3 Station 4 Station 5 Station 6
Equation ______________
Equation ______________
Equation ______________
a = __
b = __
c = __
a = __
b = __
c = __
a = __
b = __
c = __
Find b2 – 4ac __________
Find b2 – 4ac __________
Find b2 – 4ac __________
Station 4
Station 5
Station 6
Equation ______________
Equation ______________
Equation ______________
a = __
b = __
c = __
a = __
b = __
c = __
a = __
b = __
c = __
Find b2 – 4ac __________
Find b2 – 4ac __________
Find b2 – 4ac __________

3. Positive
discriminant
Zero
discriminant
Negative
discriminant

4. Discriminant Stations & complete the stations.
Find a buddy.
Move around the room
& complete the stations.
3. When finished,
return to your seat.
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

5. Station 1:
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

6. Solve with the quadratic formula.
Station 1:
Find a, b, and c.
Find the value for b2 – 4ac.
Solve with the quadratic formula.
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

7. Solve with the quadratic formula.
Station 1:
Find a, b, and c.
Find the value for b2 – 4ac.
Solve with the quadratic formula.
a = 4, b = 1, c = – 6
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

8. Station 2:
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

9. Solve with the quadratic formula.
Station 2:
Find a, b, and c.
Find the value for b2 – 4ac.
Solve with the quadratic formula.
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

10. Solve with the quadratic formula.
Station 2:
Find a, b, and c.
Find the value for b2 – 4ac.
Solve with the quadratic formula.
a = 1, b = 2, c = 8
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

11. Station 3:
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

12. Solve with the quadratic formula.
Station 3:
Find a, b, and c.
Find the value for b2 – 4ac.
Solve with the quadratic formula.
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

13. Solve with the quadratic formula.
Station 3:
Find a, b, and c.
Find the value for b2 – 4ac.
Solve with the quadratic formula.
a = 3, b = 15, c = – 12
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

14. Station 4:
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

15. Solve with the quadratic formula.
Station 4:
Find a, b, and c.
Find the value for b2 – 4ac.
Solve with the quadratic formula.
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

16. Solve with the quadratic formula.
Station 4:
Find a, b, and c.
Find the value for b2 – 4ac.
Solve with the quadratic formula.
a = 25, b = –30, c = 9
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

17. Station 5:
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

18. Solve with the quadratic formula.
Station 5:
Find a, b, and c.
Find the value for b2 – 4ac.
Solve with the quadratic formula.
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

19. Solve with the quadratic formula.
Station 5:
Find a, b, and c.
Find the value for b2 – 4ac.
Solve with the quadratic formula.
a = 7, b = –10, c = 0
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

20. Station 6:
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

21. Solve with the quadratic formula.
Station 6:
Find a, b, and c.
Find the value for b2 – 4ac.
Solve with the quadratic formula.
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

22. Solve with the quadratic formula.
Station 6:
Find a, b, and c.
Find the value for b2 – 4ac.
Solve with the quadratic formula.
a = 12, b = 0, c = –90
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

23. Discriminant foldable
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

24. Discriminant

25. Positive
Zero
Negative

26. Discriminant Foldable
Fold your paper over (top to bottom leaving about an inch at the bottom).
Positive
Zero
Negative
Discriminant
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

27. Determine the number of roots. Example: 1
2 Real ROOTS
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

28. Determine the number of roots. Example: 2
1 Real ROOT
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

29. Determine the number of roots. Example: 3
No Real Roots
©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources