1. Do Now
Stand at the back of the room and wait for Mrs. Bullock to seat you
Once seated, take out homework & study guide for review

2. Turn in GA Aquarium Project

3. Unit 1 Review

4. For pre-image coordinate (-7, 1), what would be the image coordinate after a reflection over the x-axis?
(-7,-1)

5. Give the new coordinates of the reflected image after a reflection over the y-axisz
x’(9,9)
z’(5,1)
y’(3,6)

6. If point A is (-19,7), give the ordered pair of A’ rotated 180 degrees.

7. A triangle has the following vertices: A(-2,3) B(-5,-7) C(6,8)
A triangle has the following vertices: A(-2,3) B(-5,-7) C(6,8). Rotate triangle ABC 90 degrees CCW and give the new coordinates
A’(-3,-2)
B’(7,-5)
C’(-8, 6)

8. How many angles are formed when a transversal intersects two parallel lines?8

9. The point (0,3) undergoes a dilation and results in the image (0,6)
The point (0,3) undergoes a dilation and results in the image (0,6). What was the scale factor of the dilation? 2

10. What is the sum of the exterior angle measures of ANY triangle?
360 degrees

11. If quadrilateral LMNO is dilated by a scale factor of 200%, what are the new coordinates?

12. = 75 degrees
L’(-8,2)
M’(-6,-2)
N’(8,4)
O’(6,8)

13. Corresponding Angles
L’(-8,2)
M’(-6,-2)
N’(8,4)
O’(6,8)

14. x =
X = 49 degrees

15. 56 degrees

16. 109 degrees

17. Ben is wanting to build a model rail car that is 10 inches in length
Ben is wanting to build a model rail car that is 10 inches in length. The actual length of a rail car is 50 feet in length. What is the scale factor that Ben needs to use to make sure his model rail car is accurate?
k = 5 or dilate by 500%