math transformations Flashcards
1
Q
what is the translation rule
A
add the transformation and the original point coordinate
2
Q
what is the rule for reflection over x axis
A
keep the x value the same, change the sign of the new y coordinate
3
Q
what is the rule for reflection over y axis
A
keep the y value the same and change the sign of the new x coordinate
4
Q
reflection over line y=x
A
swap the places of x and y coordinates
5
Q
rotate 180ccw
A
change the sign of the new x coordinate and change the sign of the new y coordinate
6
Q
rotate 90 cw
A
swap the places of the x and y coordinates then change the sign of the new x coordinates
7
Q
rotate 90 ccw
A
Swap x and y and make change the sign of the y