Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

8th Grade Math > Unit 2 test > Flashcards

Unit 2 test Flashcards

1
Q

What is a transformation

A

Changes to a figure into another figure called a image

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is an Image

A

The figure after a transformation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is a translation

A

A coordinate point slid left or right or up or down

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are congruent figures

A

Figures are the same shape and size

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Corresponding angles

A

are matching angles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

corresponding sides

A

are matching sides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is a reflection

A

A reflection is a tranformation in which a firgure is rotated around a point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Center of rotation

A

A point in which a rotation is rotated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

angle of rotation

A

The number of degrees a figure rotates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

reflection

A

is a transformation which a figure is rotated around the line of reflection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

line of reflection

A

a reflection creates a mirrored image of the original image

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Similar figures

A

a figure that has the same shape but not nessacarily the same size

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Perimeters of similar figures

A

the ratios of their perimeter is equal to the ratio of their corresponding side lengths

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Area’s of similar figures

A

the ratio of their area is equal to the square of the ratio of their corresponding side lenghts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

dilation

A

A transformation in which a figure is enlarged or reduced by a point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

center of Dialation

A

A point in which a dialation is performed

17
Q

Scale factor

A

The ratio of the side lengths of the image to the corresponding lengths of the original figure

18
Q

Scalene triangle

A

Two sides are the same

19
Q

Isocoles triangle

A

No sides are the same

20
Q

Equallateral

A

All sides and angles are equal

21
Q

Right angle

A

equal to 90 degrees

22
Q

Obtuse angle

A

Between 90 degrees and 180

23
Q

Acute angle

A

Between 0 and 90 degrees

24
Q

Complementary angle

A

Angles who sums are 90 degrees

25
Q

Supplementary angles

A

Angles who sums are 180 degrees

8th Grade Math (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions