Translations

Question 1

the line of reflection acts as a _____ between two reflected points

Answer 1

perpendicular bisector

Question 2

what notation do you use on the letters of an image in a transformation

Answer 2

prime notation

Question 3

double reflections over two intersecting lines result in a ———

Answer 3

rotation

Question 4

the angle of rotation is ________ the angle of the two intersecting lines

Answer 4

double

Question 5

double reflections over two parallel lines result in a _______

Answer 5

translation

Question 6

what do you use on the image of the image’s letters

Answer 6

double prime notation /“

Question 7

what notation do we use to graph translations

Answer 7

vector notation

Question 8

translate <-5, 9>

Answer 8

left 5, up 9

Question 9

translate <-9,5>

Answer 9

left 9, up 5

Question 10

translate <9, 6>

Answer 10

right 9, up 6

Question 11

translate <-9,-5->

Answer 11

left 9, down 5

Question 12

a series of reflections and translations

Answer 12

glide reflections

Question 13

how many lines of symmetry are in regular polygons

Answer 13

for regulat polygons, the # of lines of symmetry is the same as the number of sides

Question 14

a transformation _________ a figure a certain way

Answer 14

moves

Question 15

the original figure is called a ______ and the new figure is called a ______

Answer 15

pre-image, image

Question 16

what notation is used to show movement from the pre image to image

Answer 16

mapping notation

Question 17

Mapping notation uses _______ letters from the pre image to image

Answer 17

different

Question 18

what is an isometry

Answer 18

a transformation that preserves lengths, angle measures, parallel lines, and distances between points

aka a isometry means the pre image and image are congruent

Question 19

another name for isometry

Answer 19

rigid transformation

Question 20

reflections, rotations, and translations are __________ isometries

Answer 20

always

Question 21

to prove two images are isometries you must use

Answer 21

distance formula

Question 22

dead giveaway for rotation

Answer 22

image should look the same as the pre image when spin around

Question 23

when a figure can be mapped into itself when spinning around the figures center point

Answer 23

rotational symmetry

Question 24

to find the degree of each rotation, what formula do you use

Answer 24

360/# or rotations

Question 25

what is a regular shape

Answer 25

has all equal sides and all equal angles

Question 26

what letters of the alphabet have rotational symmetry

Answer 26

H, I, N, O, S,X, Z

Question 27

if the angle of rotation is 130 what does the angle between the intersecting lines measure?

Answer 27

65