What does a translation do to a figure on the coordinate plane?
a) Rotates it
b) Flips it
c) Shrinks it
d) Slides it
d) Slides it
Rotate the point (7,8) around the origin 90 degrees counter clock wise. State the image of the point.
(-8,7)
What is a reflection?
When you flip or mirror an object across a line.
Does the image show a Dilation?
YASSSS
When you translate, (x-4,y) will move _____.
4 units left
Write the rule for this translation:
Slide 3 up and 2 right
(x, y)-----> (x+2, y + 3)
What is the image of F (-2, 7) after a rotation of 180° Counterclockwise?
F' (2, -7)
Identify the transformation from ABCD to A'B'C'D'.
Reflection across the ______- axis.
Reflection across the y-axis
How do you write the algebraic notation when the scale factor is 1/2?
(x, y) ------->goes to (1/2x, 1/2y)
Rotate the point (-3,-4) around the origin 180 degrees. State the image of the point.
(3,4)
Determine how to translate triangle A'B'C' to triangle ABC.
(x+2, y-9)
Rotate K (7, 8) around the origin 90° counterclockwise. State the image of K'.
K' (-8, 7)
Reflect the point (2, -4) over
y = x to become...
(-4, 2)
Given the points (3,-2) and (4, -12).
What are the new points given a scale factor of -6?
(-18, 12) and (-24, 72)
What is the name of my dog?
ROCKY
What transformation is happening?
(x, y) ----> (x + 2, y - 3)
slide right 2, down 3
Describe the given rotation in degrees. Using point R
270o Counterclockwise
∆QRS contains the points: Q(4, 2) R(5, 1) S(3,7). If the triangle is reflected across the y-axis, what will S' be?
S'(-3, 7)
The point (8, 12) was dilated to become point (4, 6). What was the scale factor?
1/2
What type of rotation does this represent
(from red to blue)?
180⁰ Counterclockwise
Triangle ABC is going to be translated. Where would A' position be at, if the translation was be (x,y) --> (x+3, y-2)?
(5.3)
If you were to rotate ABCD 180° about the origin, what would the coordinate of A' be?
(-3, -5)
∆QRS contains the points: Q(4, 2) R(5, 1) S(3,7).
If the triangle is reflected across the y=-x, what will S' be?
(-7,-3)
CHANGE SIGNS ON X and Y and Switch.
A triangle has vertices with coordinates
(2,0), (3, -1) and (-2,-5).
If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image?
(6,0), (9,-3), (-6,-15)
What is the scale factor:
2