Translations
The "cheap" word for a translation is a ________.
Slide
The "cheap" word for reflection is a ______.
Flip/mirror image
The "cheap" word for a rotation is a _______.
Turn
A dilation makes a shape ________ or _________.
Bigger or smaller
Write the algebraic rule:
2 units right, 2 units up
(x+2, y+2)
Write the algebraic rule:
Reflection over the x-axis.
(x, -y)
Write the algebraic rule:
Rotation 180 degrees clockwise.
(-x, -y)
If the scale factor is ______ than 1, the figure with shrink.
Give a verbal description from this rule:
(x,y) --> (x-1, y+4)
1 unit left, 4 units up
Write the algebraic rule:
Reflection over the y-axis.
(-x, y)
Write the algebraic rule:
Rotation 90 degrees clockwise.
(y,-x)
If AB has a length of 12 units and A'B' has a length of 4 units, what is the scale factor? Be sure the simplify compeltely.
1/3
Use the rule to determine the location of A'.
A(2,3)
(x,y) --> (x-1, y-3)
A'(1,0)
What is the location of A' if A(3,5) is reflected over the y-axis.
A'(-3, 5)
Each quadrant "jump" is worth _____ degrees.
90
Find the location of X' if X(1,2) is dilated by a scale factor of 3.
X'(3,6)
Use the rule to determine the location of B' and C'.
B(-3,4) C(9,1)
(x,y) --> (x-5, y-4)
B'(-8,0) and C'(4,-3)
Triangle ABC lies in Quadrant II. If the triangle is reflected over the x-axis, and then reflected over the y-axis, what quadrant does A''B''C'' lie in?
Quadrant IV
Write the algebraic rule:
Rotation 360 degrees clockwise.
(x,y) --> (x,y)
Find the location of B' if B(3,9) is dilated by a scale factor of 2/3.
B'(2,6)