Unit 2 Review 2

Using your felt tip pen in the lower left hand corner of your screen Answer the following questions in yellow Answer the following questions in yellow When we go through the review, correct in red so that when you go back and look at it – you can remember not to make the same mistake again. When we go through the review, correct in red so that when you go back and look at it – you can remember not to make the same mistake again. When we are finished with the review, save it to your desktop or H: and use it to study. (Keep your ink notations) When we are finished with the review, save it to your desktop or H: and use it to study. (Keep your ink notations)

Given the point (2,-3), find the image after the following transformations a.(-2,-3) b.(2,3) c.(1,-1) d.(3,2) e.(4,-4) f.(4,-6) g.(-2,3) h.(-3,-2) i.(3, -2) j.(-3,2) 1.Reflect over y = x 2.Rotate 90º counterclockwise 3.Translate 2 up and 1 left 4.Rotate 180º counterclockwise 5.Reflect over y –axis 6.Dilate by a scale factor of 2 7.Translate 2 right and 1 down 8.Reflect over the x-axis 9.Rotate 270º counterclockwise 10.Reflect over y = -x

The Sky Club had an 8-inch by 12-inch rectangular flyer made into a 36-inch by 54-inch rectangular poster. What was the scale factor used to enlarge the flyer? a. 2/3 b. 3 c. 4 d. 4.5

a = _120___ b = _60___ c = _4___ d = _13___ 2c 8 60 o b 4c - 3 d a 120 o The picture above is an example of __reflection__ which is a type of transformation.

M E A T Rotate the figure 180º Find the coordinate of M’ after the rotation A.( 2, 5 ) B. ( -2, 5 ) C. ( -2, -5) D. ( 5, -2 )

Find the coordinates of T’ after the dilation Scale factor: 2, Center of dilation: (0, 0) A. (4, -8) B. (-8, 4) C. (0, 10) D. (-4, 2) R S T

Find the coordinates of R’ after the translation (x, y)  (x -7, y + 11) A. (-3, 2) B. (-1, 6) C. (2, -3) D. (1, 2) R U S T

A B C X Y Z Triangle XYZ is the image of triangle ABC. What is the scale factor? A. 1/2 B. 1.5 C. 2 D. 3

NamePreserves congruence Preserves orientation Reflection√ Rotation√√ Translation√√ dilation√ Place a check mark in the following spaces if the transformation has that characteristic.

What does Isometry mean? A. It is cold outside B. The shapes change size C. The objects are similar D. The objects are congruent

Match the coordinate notation with the words. 1.__B__ Every point moves 3 places right and 2 down. 2.__A__ Every points moves 3 places left and 2 up. 3. __D__ Every point moves 3 places down and 2 right. 4. __C__ Every point moves 2 places left and 3 up. A.(a,b) (a-3, b+2) B.(a,b) (a+3, b-2) C.(a,b) (a-2, b+3) D.(a,b) (a+2, b-3)

Given the following scale factors, determine if it results in an enlargement, reduction or congruent. 1.2/3 __reduction___ _enlargement__ 3.-1 _congruent____ 4.4/3 __enlargement_ 5.4 __enlargement__ 6.1/100 _reduction_ 7.-7/5 _enlargement

Pre AP only - Given a slope of ½ and point (4,-1), what is the equation of the line after the translation of 4 units right and 5 units down. Given the points (9,2) and (3,6), what is the slope of the line after a reflection over the y-axis? Y= 1/2x /2