Which coordinate controls the movement of up and down?
The y-coordinate
What do you need to define a reflection on the coordinate plane?
line of reflection
What three things do you need to describe a rotation on the coordinate plane?
center point, angle of rotation, direction
What transformations take Triangle A to Triangle C?
Reflection over y-axis
Reflection over x-axis
Which coordinate controls the movement of left and right?
The x-coordinate.
Describe this reflection.
Reflect triangle ABC over the x-axis
What degree and direction takes the red rectangle to the blue rectangle?
90 clockwise/270 counter clockwise
What sequence of transformations takes you from SRQPT to S"R"Q"P"T"?
Rotate 90 degrees clockwise about the origin
Reflect across x-axis
Translate the point (3, 2) up 4 units and left 8 units. What are the coordinates?
(-5, 6)
Reflect the point (8, -6) across the y-axis. What are the coordinates?
(-8, -6)
What degree and direction rotation happened?
90º counterclockwise/270-degrees clockwise
What is the sequence of transformations to get from P to Q?
Translation 7 units to the right
Reflection across x-axis
Translate the point (3, 2) down 2 units and right 4 units. What are the coordinates?
(-1, 0)
Reflect the point (2, 1) across the x-axis. What are the coordinates?
(2, -1)
What degree and direction rotation happened?
180º about the origin.
Describe the sequence of transformations that takes ABCD onto A'B'C'D'
Rotate 90º counterclockwise about the origin
Reflect over the x-axis