Cartesian Plane
What are the two lines that make up a Cartesian plane?
x-axis and y-axis
What is the coordinate of this point: (4,2)? Which number is the x-coordinate?
4
What is the name for sliding a shape without turning it?
Translation
Reflecting over the x-axis changes which coordinate?
the y-coordinate
A full rotation equals how many degrees?
360°
What is the name of the point where the x-axis and y-axis meet?
the origin
In the coordinate (7, –3), which number represents vertical movement?
–3 (y-coordinate)
What is the name for flipping a shape over a line?
Reflection
Reflecting over the y-axis changes which coordinate?
the x-coordinate
A half rotation equals how many degrees?
180°
What are the coordinates of the origin?
(0,0)
Plotting a point always starts on which axis?
x-axis
What is the name for turning a shape around a point?
Rotation
Reflect (3,4) over the x-axis.
(3, –4)
A quarter rotation equals how many degrees?
90°
If a point is (3, –4), which direction do you move first?
3 right on x-axis, then 4 down on y-axis
True or False: (2,5) and (5,2) are the same point.
False
If a triangle moves 3 units right and 2 units up, what transformation happened?
Translation
Reflect (–2,5) over the y-axis. (What are the coordinates)
(2,5)
A rotation of 90° around the origin moves a point in which direction?
counterclockwise (usually in math)
Which quadrant is the point (–5, 6) in?
Quadrant II
What coordinate would be 4 left and 6 up from the origin?
(–4,6)
What is the line called that a shape flips over?
Line of reflection
Reflect (4, –3) over the x-axis.
(4,3)
What point do we usually rotate around on a Cartesian plane?
the origin