Translations
Change the preimage point (1,4) with the rule (x,y)→(x-1,y+4).
What is (0,8)?
A rotation is what.
What is a transformation when a figure rotates (turns) around a point?
True or False: a reflection produces a similar shape
What is false?
This rule (x,y)→(-x,y) is used for this kind of transformation.
What is a reflection over the y-axis?
These are the two types of dilations.
What are reduction and enlargement?
A rectangle with the points (10,3) (3,10) (10,10) and (3,3) gets translated 5 units left and 4 units down. This many right angles are there.
What are 4 right angles?
A center of rotation is usually this point.
What is (0,0)? or What is the origin?
Point G is located at (2,1). Point H is at (2,-1). This transformation happened to point G.
What is reflected over the x axis?
Name one person/thing we have highlighted for Hispanic Heritage Month
Answers may vary
The Rhombus ABCD has the points (2,4) (4,8) (6,8) and (4,4). Dilate Rhombus ABCD by a scale factor of 1/2 and state the new points.
What is (1,2) (2,4) (3,4) and (2,2)?
Triangle ABC was translated 3 units left and 4 units down to Triangle A`B`C`. Is there anything the same about both triangles?
What is Yes?
Give 300 more points if they say "What is Yes, they are congruent"
Point A is located at (2,1). Now the coordinates of Point A`, when rotated around the origin 360 degrees clockwise, is this.
What is (2,1)?
Reflect Line Segment GH, With the coordinates of (-12,-12) and (-10,-9) over the x axis.
What is (-12, 12) and (-10, 9)?
Triangle ABC was rotated 270 degrees counterclockwise to get Triangle XYZ. This angle is congruent to angle A.
What is angle X?
Rhombus GHIJ has the points (1,2) (2,4) (3,4) and (2,2). The rhombus was dilated and now has points (4,8) (8,16) (12,16) and (8,8). This is the scale factor that was used.
What is 4?
Triangle DEF has the points (3,4) (9, 4) (9,6). Triangle D`E`F` has the points (3,2) (9,2) (9,4). Triangle DEF followed this rule to make Triangle D`E`F.
What is (x,y)→(x,y-2)? or What is 2 units down?
Line Segment AB is located at (-3,-3) and (-2,-2). Line Segment A`B`, when rotated around the origin 90 degrees counterclockwise, is located here.
What are (3,-3) and (2,-2)?
Daily Double:
Reflect Polygon HGFE,(3,9)(9,8)(4,5)(2,19) over both axes.
What is (-3,-9)(-9,-8)(-4,-5) and (-2,-19)?
The rule (x,y)→(y,-x) is for a clockwise rotation to what degree.
What is 90 degrees?
The Triangle RST has the points (2,-2) (8,-2) and (4,8). Triangle R`S`T` has the points (3,-3) (12,-3) and (6,-12). Triangle RST was dilated by this scale factor to become Triangle R`S`T`.
What is 1.5?
Daily Double:
Quadrilateral EFGH has the points (0,0)(1,1)(-1,9)(2,-3). Quadrilateral E`F`G`H` follows the rule (x,y)→(x-4,y-4) and has these coordinates.
What is (-4,-4)(-3,-3)(-5,5)(-2,-7)?
Polygon ABC is located at (3,9) (4,8) and (9,2). When rotated around the origin by 90 degrees clockwise, Polygon A`B`C` is located here.
What are (9,-3), (8,-4), and (2,-9)
Reflect (0,0) over both axes.
What is (0,0)?
If a shape is dilated by a scale factor of two, the new area will be __ times the size of the original area.
What is 4?
Rectangle LMNO has the points (4,2) (4,4) (8,4) and (8,2). It was dilated by 1/2 and was then flipped over the x and y axis. The new points for Rectangle L`M`N`O` has these points.
What are (-2,-1) (-2,-2) (-4,-1) and (-4,-2)?