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Syllabus

2 ? 8x = 9 by completing the square. Show your work.

18. Use the discriminant to find the number of real solutions of the equation 3x 2 ? 5x + 4 = 0. Show your work.

A water balloon is tossed into the air with an upward velocity of 25 ft/s. Its height h(t) in ft after seconds is given by the function h(t) = ? 16t

2 + 25t + 3. Show your work.

19. After how many seconds will the balloon hit the ground? (hint: Use the quadratic formula)

20. What will the height be at t = 1 second

18. 9P3

19. 10C4

20. There are 15 members of the show choir. In how many ways can you arrange 4 members in the front row when order does not matter?

7. 3x(4x ^4 ? 5x)

8. (5x ^43x^3+6x( 3x^3+11x^2? 8x)

9. (x ? 2) (3x-4)

10. (x + 6)^2

2,11,96,97,87,5,71 , 41,53,59.

46,56,98,70,30.

2 =8

3 =27

4 =64

5 = ?