x-axis and y-axis
What type of image does a translation create?
Congruent image
Write the rule for reflecting over the y-axis.
What is (-x,y)?
Write the rule for rotation of 90º clockwise.
What is (y,-x)?
What is the center point on the graph?
The Origin (0,0)
Write the rule (x,y) for translating 3 units to the left and 7 units up.
What is (x-3,y+7)?
What is the rule for reflecting over the x-axis?
(x,-y)
What are the 3 main types of rotations?
90 clockwise, 90 counterclockwise, 180
How many quadrants are on a graph?
4
IF I reflect the point (2,5) over the x-axis, what will the new point be?
What is (2,-5)?
Find the new coordinates of (5,4) after you rotate the point with 180º.
What is (-5,-4)?
What is a coordinate plane made of?
2 perpendicular lines
Graph rectangle DEFG after a reflection over the x-axis D(5,5) E(5,8) F(8,8) G(8,5)
What is D'(5,-5), E'(5,-8), F'(8,-8), G'(8,-5)?
Graph ∆JKL after a rotation of 180º about the origin. J(5,6) K(7,9) L (1,2)
What is J(-5,-6), L(-7,-9), L(-1,-2)?
What signs are the points in Quadrant IV?
(+,-) positive, negative