geometry

Tranformations

100

2 units down

D(-4,1), A(-2, 5), S(-1, 4), N(-1, 2)

D'(-4, -1), A'(-2, 3), S'(-1, 2), N'(-1, 0)

200

2 units left, 1 unit down

A(0, -1), B(-2, 2), C(2, 4), D(3, 0)

A'(-2, -2), B'(-4, 1), C'(0, 3), D'(1, -1)

300

What type of transformation happens when a figure is turned around a fixed point?

rotation

400

3 units right, 4 units up

A(-4, -3), B(-2, -2), C(-2, -4)

A'(-1, 1), B'(1, 2), C'(1,0)

500

What type of transformation happens when a figure is shrunk or enlarged while the figure stays the same?

Dilation 

Vocab

100

point of an angle

vertex 

200

goes on forever in both directions 

line

300

3 or more points on a flat surface

plane

400

a shared point, 2 rays, 2 line segments 

angle

500

what are rotations, translations, dilations, and reflections all called?

transformations

Angle relationships

100

any two angles who's sum is 90

complementary angles

200

two angles who's sum is 180

supplementary angles 

300

two angles that are adjacent and supplementary (form a straight line)

linear pair

400

two angles across for each other on intersecting lines. (always congruent)

vertical angles 

500

two angles that are next to each other an share a common side

adjacent angles

standard to slope intecept

100

3x-2y=-16

y=3/2x+8

200

9x-7y=-7

y=9/7x+1

300

x-3y=6

y=1/3x-2

400

6x+5y=-15

y=-6/5x-3

500

4x-y=1

y=4x-1

parallel, perpendicular, neither

100

3x + 2y=8

2x + 3y=-12

neither 

200

2x + 7y= 28

7x - 2y= 4

perpendicular 

300

y= -4x -1

8x + 2y=14

parrallel

400

x-2y=18

2x+y=6

perpendicular 

500

-9x + 12y =24

y=3/4x -5

parrallel