The rule for 90 degree counterclockwise rotation.
What is ( - y, x)
Another word to describe a translation
What is slide
Another word to describe a rotation
What is turn
Another word to describe a reflection
What is flip
Describe the transformation: (x, y+6)
What is up 6 units
What type of transformation is this? Give the words and rule.
What is a translation. 1 unit right 2 units down: (x + 1, y - 2)
The rule for reflections across the x axis.
What is (x, - y)
Adding to the x-coordinate moves a figure in this direction.
to the right
If both coordinates change signs what transformation occurred?
180 degree rotation
This coordinate stays the same when a figure is reflected over the y-axis.
the y-coordinate.
Describe this transformation rule: (x, - y)
What is a reflection across the x-axis
What is the transformation shown? Provide the rule.
What is a reflection across the y-axis, ( - x, y)
The rule for 90 degree clockwise rotation.
What is (y, - x)
If (1, 6) is translated to the left 3 and down 1, what are the new coordinates?
(-2, 5)
The segment below has been rotated 90o in what direction?
counter clockwise
This coordinate changes when a figure is reflected over the x-axis.
the y-coordinate
If (1, 5) becomes (3, 0) what is the transformation rule?
(x + 2, y - 5)
This image depicts a reflection of * across the y-axis, then a reflection across the x-axis, and another reflection across the y-axis.
What is A?
The rule for reflections across the y axis.
What is ( - x, y)
This is what happens to the coordinates if a figure translates up and to the left.
subtract from the x-coordinate and add to the y-coordinate?
This is the coordinate M' after the figure below is rotated 180o clockwise. M (6, 6)
What is (-6, -6)
The figure has been reflected over this line.
the x-axis
This notation is how we indicate the preimage from the image.
What is prime ( ' )
Identify the transformation and provide the rule.
What is a 90-degree clockwise rotation, ( y, - x)
The rule for 180 degree rotations.
What is ( - x, - y)
What is the Algebraic rule for the preimage to image below? (green to purple)
What is ( x - 2, y + 2)
This clockwise rotation is the same as rotating 90o counterclockwise.
270o clockwise
Reflect the triangle ABC over Y-axis with side lengths AB =3 units, BC = 4 units and AC = 5 Units. After reflection What is the length of BC?
4 Units.
2 figures that are the same size and shape
Take triangle * and rotate it 90-degrees counterclockwise twice about the origin. Where will the new figure be?
What is figure C?