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Do Now Grab a whiteboard, marker, & sock from student station If you are not in your seat, you are not tardy Return to seat and answer the following question: For pre-image coordinate (-7, 1), what would be the image coordinate after a reflection over the x-axis? (-7,-1)
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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)
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If point A is (-19,7), give the ordered pair of A’ rotated 180 degrees.
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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)
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How many angles are formed when a transversal intersects two parallel lines?
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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
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What is the sum of the exterior angle measures of ANY triangle?
360 degrees
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If quadrilateral LMNO is dilated by a scale factor of 200%, what are the new coordinates?
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= 75 degrees L’(-8,2) M’(-6,-2) N’(8,4) O’(6,8)
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Corresponding Angles L’(-8,2) M’(-6,-2) N’(8,4) O’(6,8)
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x = X = 49 degrees
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56 degrees
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109 degrees
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Ben is wanting to build a model rail car that is 1 foot in length
Ben is wanting to build a model rail car that is 1 foot 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 = 50 or dilate by 5000%
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