Transcript
![Page 1: The Quadratic Formula Chapter 8.6. The Quadratic Formula If, then](https://reader036.vdocuments.us/reader036/viewer/2022082409/5697bff81a28abf838cbf1fc/html5/thumbnails/1.jpg)
The Quadratic Formula
Chapter 8.6
![Page 2: The Quadratic Formula Chapter 8.6. The Quadratic Formula If, then](https://reader036.vdocuments.us/reader036/viewer/2022082409/5697bff81a28abf838cbf1fc/html5/thumbnails/2.jpg)
The Quadratic Formula
If , then 2 0ax bx c 2 4
2
b b acx
a
![Page 3: The Quadratic Formula Chapter 8.6. The Quadratic Formula If, then](https://reader036.vdocuments.us/reader036/viewer/2022082409/5697bff81a28abf838cbf1fc/html5/thumbnails/3.jpg)
Factor
x2 + 8x + 7 = 0
![Page 4: The Quadratic Formula Chapter 8.6. The Quadratic Formula If, then](https://reader036.vdocuments.us/reader036/viewer/2022082409/5697bff81a28abf838cbf1fc/html5/thumbnails/4.jpg)
Factor
x2 + 11x + 18 = 0
![Page 5: The Quadratic Formula Chapter 8.6. The Quadratic Formula If, then](https://reader036.vdocuments.us/reader036/viewer/2022082409/5697bff81a28abf838cbf1fc/html5/thumbnails/5.jpg)
Factor
x2 - 4x = 4
![Page 6: The Quadratic Formula Chapter 8.6. The Quadratic Formula If, then](https://reader036.vdocuments.us/reader036/viewer/2022082409/5697bff81a28abf838cbf1fc/html5/thumbnails/6.jpg)
Factor
x2 - 6x = 8
![Page 7: The Quadratic Formula Chapter 8.6. The Quadratic Formula If, then](https://reader036.vdocuments.us/reader036/viewer/2022082409/5697bff81a28abf838cbf1fc/html5/thumbnails/7.jpg)
Solve
4x2 + 12x + 9 = 0
![Page 8: The Quadratic Formula Chapter 8.6. The Quadratic Formula If, then](https://reader036.vdocuments.us/reader036/viewer/2022082409/5697bff81a28abf838cbf1fc/html5/thumbnails/8.jpg)
Solve
3x2 - 7x = -2
![Page 9: The Quadratic Formula Chapter 8.6. The Quadratic Formula If, then](https://reader036.vdocuments.us/reader036/viewer/2022082409/5697bff81a28abf838cbf1fc/html5/thumbnails/9.jpg)
Solve
3x2 = 15x + 18
![Page 10: The Quadratic Formula Chapter 8.6. The Quadratic Formula If, then](https://reader036.vdocuments.us/reader036/viewer/2022082409/5697bff81a28abf838cbf1fc/html5/thumbnails/10.jpg)
A diver jumps from a platform which is 10 m above the water. Her height h in meters above the water t seconds after she jumps is modeled by the equation h = -4.9t2 + 3.5t + 10.8. About how long will it take her to reach the water?
![Page 11: The Quadratic Formula Chapter 8.6. The Quadratic Formula If, then](https://reader036.vdocuments.us/reader036/viewer/2022082409/5697bff81a28abf838cbf1fc/html5/thumbnails/11.jpg)
A diver jumps from a platform which is 10 m above the water. Her height h in meters above the water t seconds after she jumps is modeled by the equation h = -4.9t2 + 3.5t + 10.8. About how long will it take the ball to reach the ground?
![Page 12: The Quadratic Formula Chapter 8.6. The Quadratic Formula If, then](https://reader036.vdocuments.us/reader036/viewer/2022082409/5697bff81a28abf838cbf1fc/html5/thumbnails/12.jpg)
Homework