1. Warm Up Friday, November 23, 2018
1. Find the vertex of the parabola and determine if it opens up or down.
y= 7 – 16x - 2x2
(-4,39), opens down
2. Name the domain, range and find the y-intercept.
Domain: (-∞∞)
Rangge: y ≤ 39
Y-intercept (0, 7)

2. Solving Problems with TANGENT RATIO
Day 47

3. TANGENT Ratio C B A

4. OPPOSITE LEG
tan A =
ADJACENT LEG

5. 1.

6. 2.

7. 3.
Find the height h of the lamppost to the nearest tenth.
The lamppost is about 94 inches tall.

8. 4.

9. 5.

10. Find the perimeter of the triangle. Round to the nearest tenth.6.

11. Find the missing side. Round to the nearest tenth.7.

12. Find the missing side. Round to the nearest tenth.8.

13. Find the missing side. Round to the nearest tenth.9.

14. ***REMEMBER*** SET CALCULATORS TO DEGREES Draw the triangle.
TAN RATIOS TO 4 DECIMAL PLACES
ROUND ANSWERS TO 1 DECIMAL PLACE

15. Assignment:
Page 161 (#1-16.)