Unit 2- Introduction To Transformations Flashcards
0
Q
What is a Y axis
A
A vertical line
1
Q
What is a Y coordinate
A
Half a point
2
Q
What is a Y intercept
A
Point: (0,y)
3
Q
What does it mean to transform a graph
A
Change it
4
Q
How can you translate something
A
Up, down, right, left
5
Q
Define isometry
A
Transformations that preserve length an angle measures (figure looks the same)
6
Q
Pre-image
image
A
Starting point X
Point after transformation X’
7
Q
Left (h)
Translation
A
Subtract h from x
x,y)➡️(x-h,y
8
Q
Right (h)
Translation
A
Add h to x
x,y)➡️(x+h,y
9
Q
Up (k)
Translation
A
Add k to y
X,y)➡️(x,y+k
10
Q
Down (k)
Translation
A
Subtract k from y
x,y)➡️(x,y-k
11
Q
X-axis
Reflections
A
(x,y)➡️(x,-y)
Up/ down switching
12
Q
Y axis
Reflections
A
(x,y)➡️(-x,y)
Right/ left switching
13
Q
Y=X
Reflections
A
(x,y)➡️(y,x)
Switch both coordinates
14
Q
Y=-X
Reflections
A
(x,y)➡️(-y,-x)
Switch and opposite both coordinates
