1. CHAPTER 10 REVIEW What is the equation of A.O.S. for y = x 2 – 12x – 7 ? x = 6 HINT: x = -b / 2a

2. CHAPTER 10 REVIEW What is the vertex for the graph of y = x 2 – 6x – 2 ? (3, -11) HINT: Find A.O.S. first

3. CHAPTER 10 REVIEW Does the graph of y = -5x 2 + 3x – 7 have a maximum or minimum? MAXIMUM HINT: a is negative

4. CHAPTER 10 REVIEW What is the discriminant for x 2 – 7x + 3 = 0 37 HINT: b 2 – 4ac

5. CHAPTER 10 REVIEW What is the discriminant for 2x 2 – 5x + 7 = 0 -31

6. CHAPTER 10 REVIEW What value of c will make x 2 – 16x + c a PST? 64 HINT: half of b, square it

7. CHAPTER 10 REVIEW What are the next three terms of 4, 8, 16, _____ ? 32, 64, 128 HINT: What is the common ratio?

8. CHAPTER 10 REVIEW What are the next three terms of -4, 10, -25, _____ ? 62.5, -156.25, 390.625 HINT: What is the common ratio?

9. CHAPTER 10 REVIEW If a quadratic equation has a discriminant of 32, how many solutions does the equation have? 2 real solutions HINT: The discriminant is positive

10. CHAPTER 10 REVIEW If a quadratic equation has a discriminant of 0, how many solutions does the equation have? 1 real solution HINT: Double root

11. CHAPTER 10 REVIEW If a quadratic equation has a discriminant of -11, how many solutions does the equation have? No real solutions HINT: Square root of a negative??

12. CHAPTER 10 REVIEW Find the geometric mean of 3 and 12. ±6 HINT: Square root of the product

13. CHAPTER 10 REVIEW Find the geometric mean of 5 and 30. Nearest hundredth. ±12.25

14. CHAPTER 10 REVIEW Use your calculator to find 3 1.7 to the nearest hundreth. 6.47 HINT: Use the power button

15. CHAPTER 10 REVIEW What are the zeros (or roots, or solutions) for the quadratic function graphed at right? {-1, 2} HINT: x-axis

16. MID-CHAPTER 10 REVIEW Solve by completing the square: x 2 – 2x – 5 = 0 Answer to the nearest tenth. x = 3.4 or x = -1.4

17. MID-CHAPTER 10 REVIEW Solve using the Quadratic Formula: x 2 – 3x – 9 = 0 Answer to the nearest tenth. x = 4.9 or x = -1.9

18. MID-CHAPTER 10 REVIEW Solve: (x – 5) 2 = 23 Answer to the nearest tenth. x = 9.8 or x = 0.2