A translation is when you do what to a figure?
Slide or Move the figure right, left, up, or down
A reflection is when you do what to a figure?
Flip it or make a mirror image of it.
A rotation is when you do what to a figure?
Turn or Spin
A Dilation is when you change the _________ a figure.
What is size?
What are three types of transformations?
Translation, rotation, and reflection.
Find the new coordinates of (10,12) if you translate the point three units left and 4 units up.
(7,16)
Find the new coordinates of (3,-2) after you reflect the point over the y-axis.
(-3,-2)
After you rotate the point (5,4) 180º clockwise, what is the image?
(-5,-4)
A scale factor larger than one will result in the figure or shape getting ____________.
What is larger?
Which transformation does not result in a congruent figure?
Dilation
Write the notation (formula) of point (x,y) after it moves 3 spots to the left and 7 spots up.
(x-3,y+7)
Write the notation (formula) of point (x,y) after it is reflected over the line y-axis.
(-x,y)
Name the rotation
180 Degrees
The result of dilating A(9,4) by a factor of 2.
A' (18,8)
The transformations that produce congruent figures.
Translation, Rotation, or Reflection
What is the pre-image of the point H'(9,3) after the translation (x+2,y-5)?
H(7,8)
Write the notation (formula) of point (x,y) after it is reflected over the x-axis.
(x,-y)
What is the same rotation as 90o Clockwise?
270 CCW
The result of dilating a figure by a scale factor less than 1.
What is shrink or reduce?
What property is changed under a dilation?
Size
Graph ∆LMN after a translation of 6 units to the right and 4 units down. L(0,3) M(6,4) N(3,9)
L'(6,-1), M'(12,0), N'(9,5)?
What are the coordinates for point D' after it is reflected over the x-axis? D(5,5)
D'(5,-5)
The coordinates for ∆JKL after a rotation of 90º CCW about the origin. J(5,6) K(7,9) L (1,2)
What is J(-6,5), L(-9,7), L(-2,1)?
What is point D (-6,18) after being dilated by a scale factor of
1/3
?
(-2,6)
What property never changes under dilation, rotation, reflection, or translation?
Angles or shape