## 3.11 Ans Key

* Must show work to receive credit

2. y= x^2 + 3x-5

3. y= -x^2 +6x+ 10

4. y= -1/2x^2 + 3/2X +7

5. y= .74x^3 + .8x+ -2.74x+ 1.1

6. h= at^2 + bt + c

6a. h= -6t^2 + 20 + 5

6b. h_0= 5 ft

6d. t= 3.57 seconds

6e. 17.5 ft

Last modified: Monday, 7 November 2016, 10:34 AM