Download Name______________________________ Geometry Chapter 9

Name______________________________
Geometry
Chapter 9 Review
Date ______________________Hour ____
Show all work for full credit.
_____ 1) An ISOMETRY is a transformation which does not have to preserve __________.
a) Position
b) Betweenness
c) Length
d) angle measure
2) Suppose the points on the graph are translated using translation vector PQ.
Find the components of vector PQ. ______________
Using translation vector PQ:
Find the image of S’. __________
Find the image of (3, –2). ___________
Find the image of T’. __________
Find the image of U’. _________
3) Graph ∆PQR with P(8, 9), Q(8, 5) and R(5, 7).
Graph ∆P’Q’R’ after the translation described
by the vector  10,2 .
4) Create the polygon matrix to represent CJKM.

5) The translation vector is u   7,4 . If the image of A is A’(6, –4). Find the coordinate of point A.
___________
6) What are the coordinates of the vertices when the figure is reflected in line m?
a) W’(4, –3), X’(1, 4) Y’(–2, 0)
b) W’(–3, 4), X’(4, 1) Y’(0, –2)
c) W’(2, –3), X’(1, –4) Y’(–4, 0)
d) W’(2, 3), X’(–1, –4) Y’(–4, 0)
13. How many lines of symmetry does each figure have? Sketch the lines.
14. Determine whether the figure has rotational symmetry. If so, describe any rotations that map the
figure onto itself.
Draw the image of the given figure after a dilation with center O and the given scale factor.
16. Scale factor : ½
17. Scale factor: 2
Find the scale factor of each.
Find the scale factor of the dilation. Then tell whether the dilations is an enlargement or reduction.