1. Chapter 4 Section 5.B Solving Quadratics by Finding Square Roots In this assignment, you will be able to... 1.Solve a quadratic equation. 2. Model a dropped object with a quadratic function.

2. 1.) Solve the equation.

3. Answer:

4. 2.) Solve the equation.

5. Answer:

6. 3.) Solve the equation.

7. Answer:

8. 4.) Solve the equation.

9. Answer:s=13 or s=-13

10. 5.) Solve the equation.

11. Answer:

12. Solve the equation. 6.)

13. Answer:

14. Solve the equation. 7.)

15. Answer:

16. Solve the equation. 8.)

17. Answer:x=2 or x=6

18. A cliff diver dives off a cliff 40 feet above water. Write an equation given the diver's height h (in feet) above water after t seconds. How long is the diver in the air? 9.)

19. Answer: Word problem, use calculator About 1.6 seconds.

20. 10.) An object is dropped from a building 200 feet above the ground. How long until the object hits the ground?

21. Answer:About 3.54 seconds.

22. 11.) On any planet, the height h (in feet) of a falling object t seconds after it is dropped can be modeled by where is the object's initial height (in feet)and g is the acceleration (in feet per second squared) due to gravity. Find the time it takes a rock dropped from a height of 150 feet to hit the surface on Mars where

23. Answer:5 seconds

24. 12.)Graph the equation Label the vertex and axis of symmetry

25. Answer:

26. 13.) The path of a basketball travels along a path that is modeled by where x is the time in seconds and y is the height. After how many seconds is the ball at it's maximum height and what is that height?

27. Answer: 25 seconds 18.5 feet

28. 14.)Solve the equation

29. Answer:-1, 8/3

30. 15.) Solve the quadratic equation. Label each step.