1. 9.8/9 Quadratic, cubic, and exponentia l Functions

2. Notes
Quadratic Function y = ax2 + bx + c a ≠ 0 Parabola: graph of quadratic function

3. Positive Graph Graph opens up y = 3x2 - 2
Notes
Positive Graph Graph opens up y = 3x2 - 2
Negative Graph Graph opens down y = -x2 + 2

4. Graph the equation
Y = -3x2
Y = x2 +1

5. Notes
Cubic Function y = ax3 + bx2 + cx + d a ≠ 0 Cubic functions form swiggle line.

6. Graph the equation
Y = x3
y = x3 + 1

7. Notes
Exponential Function y = ax + c a ≠ 0 or 1 Exponential functions form gradual inclines/declines.

8. Graph the equation
Y = 2x + 1
y = 4x

9. Identify the graph linear, quad,cubic,expon.

10. Identify the graph linear, quad,cubic,expon
Y = 3x + 1 Y = 2x – 3 Y = 1/3x2 – 3 Y = 3x3
Y = -2x Y = 3x3 + 2 Y = -8x – 3 Y = 6x2 + 3

11. Questions/Comments Graphs
Wrap up
Questions/Comments Graphs

12. Graph the following
Y = x2 Y = x3 - 5
Y = 3x + 2 Y = 3x