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.

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Presentation transcript:

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

Turn in GA Aquarium Project

Unit 1 Review

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

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

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

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)

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

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

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

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

180-105 = 75 degrees L’(-8,2) M’(-6,-2) N’(8,4) O’(6,8)

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

x = 180-90-41 X = 49 degrees

56 degrees

109 degrees

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%