Chapter Nine Transformation Rules

Question 1

X-axis reflection

Answer 1

negate y value

Question 2

X-axis reflection

Answer 2

negate y value

Question 3

Y-axis reflection

Answer 3

negate x value

Question 4

XY-axis reflection

Answer 4

switch values

Question 5

Vector notation (translations)

Question 6

Function notation (translations)

Answer 6

xc,y)—>(x+a, y+b)

Question 7

90 degree rotation

Answer 7

switch, negate x value

Question 8

180 degree rotation

Answer 8

negate both

Question 9

270 degree rotation

Answer 9

switch, negate y value

Question 10

what is the number of times a shape can be mapped onto itself (symmetry)?

Answer 10

the order

Question 11

how do you find rotational symmetry, order, and magnitude?

Answer 11

1. how many times can you rotate figure and have it match itself?
2. this is the order
3. 360/order = magnitude

Question 12

reflection synonym

Answer 12

flip

Question 13

rotation synonym

Answer 13

turn

Question 14

translation synonym

Answer 14

slide

Question 15

if the point is not on the line of reflection _____ joins the two points

Answer 15

perpendicular bisector

Question 16

more than one transformation

Answer 16

composition transformation

Question 17

glide reflcetion

Answer 17

translation followed by a reflection

Question 18

isometry

Answer 18

function that moves an image without changing its size or shape; composition of two or more isometries

Question 19

the composition of two relflections over parallel lines is a _______

Answer 19

translation

Question 20

the translation vector in a double reflection over parallel lines is ____ to the lines

Answer 20

perpendicular

Question 21

Y-axis reflection

Answer 21

negate x value

Question 22

XY-axis reflection

Answer 22

switch values

Question 23

Vector notation (translations)

Question 24

Function notation (translations)

Answer 24

xc,y)—>(x+a, y+b)

Question 25

90 degree rotation

Answer 25

switch, negate x value

Question 26

180 degree rotation

Answer 26

negate both

Question 27

270 degree rotation

Answer 27

switch, negate y value

Question 28

what is the number of times a shape can be mapped onto itself (symmetry)?

Answer 28

the order

Question 29

how do you find rotational symmetry, order, and magnitude?

Answer 29

1. how many times can you rotate figure and have it match itself?
2. this is the order
3. 360/order = magnitude

Question 30

reflection synonym

Answer 30

flip

Question 31

rotation synonym

Answer 31

turn

Question 32

translation synonym

Answer 32

slide

Question 33

if the point is not on the line of reflection _____ joins the two points

Answer 33

perpendicular bisector

Question 34

more than one transformation

Answer 34

composition transformation

Question 35

glide reflcetion

Answer 35

translation followed by a reflection

Question 36

isometry

Answer 36

function that moves an image without changing its size or shape; composition of two or more isometries

Question 37

the composition of two relflections over parallel lines is a _______

Answer 37

translation

Question 38

the translation vector in a double reflection over parallel lines is ____ to the lines

Answer 38

perpendicular

Question 39

a reflection over the y axis, then over the x axis is also a

Answer 39

180 degree rotation

Question 40

symmetry

Answer 40

“rigid rotation” that maps figure onto itself

Question 41

line symmetry

Answer 41

reflectional symmetry

Question 42

rotational symmetry of 180

Answer 42

point symmetry

Question 43

plane symmetry

Answer 43

figure can be mapped onto itself by reflection in a plane

Question 44

axis symmetry

Answer 44

can turn on its axis; figure can be mapped onto itself by rotation in a line

Question 45

a figure and its dilation are

Answer 45

proportional/similar