1. Simplify -4 0

2. Simplify (-8) 0 1

3. If arc BC = 84°, then m ∠ BAC = 42° A B C

4. If arc BC = 212°, then m ∠ BAC = 106° A B C

5. If arc BC = 52°, then m ∠ BAC = 26° A B C

6. If arc CE = 12° and arc AD = 14°, then m ∠ CBE = 13° A B C D E

7. If arc CE = 12° and arc AD = 14°, then m ∠ ABC = 167° A B C D E

8. If arc AC = 34° and arc DE = 170°, then m ∠ ABC = 102° A B C D E

9. If arc AE = 124°, then m ∠ CAE = 62° A C E

10. If arc AE = 204°, then m ∠ CAE = 102° A C E

11. If arc AE = 64° and arc BD = 12°, then m ∠ ACE = 26° A C E B D

12. If arc AD = 168° and arc BD = 46°, then m ∠ ACE = 61° A C B DE

13. If arc AD = 57° then m ∠ ABD = 57° A B D

14. What is the discriminant of the quadratic equation formula? B 2 – 4ac

15. If the discriminant of the quadratic equation is 0, then how many solutions does it have? one

16. If the discriminant of the quadratic equation is a negative number, then how many solutions does it have? None or zero

17. If the discriminant of the quadratic equation is a positive number, then how many solutions does it have? two

18. What is the discriminant of the quadratic equation 0 = 4x 2 – 3x + 6, then how many solutions does it have? none or zero

19. What is the discriminant of the quadratic equation y = 4x 2 – 8x + 2, then how many solutions does it have? two

20. What is the discriminant of the quadratic equation 2x 2 – 4x + 6 = 4, then how many solutions does it have? none or zero

21. How many solutions does it the equation y = 6x 2 – 5 have? two