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Geometry Basics
What is a dilation?
How do we simplify this algebra:
Geometry Basics
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1
How do we simplify this algebra:
12a2b2
a + b
5a + 7b
7a + 5b
2
What is a dilation?
a transformation that uses a scale factor to weigh a figure
a transformation that uses a scale factor to expand or contract a figure
a transformation that uses a scale factor to reduce or enlarge a figure
a transformation that uses a scale factor to divide a figure
3
The general term for four motions of moving a line, point, or geometric point?
Translation
Transformation
Dilation
Transfer
4
An angle that is 90°, is a _____.
Obtuse angle
Acute angle
Right angle
Straight angle
5
How do we simplify this algebra:
aaa
3a
?
a3
6
3x7=
12
10
28
21
7
A fraction represents what type of dilation?
Enlargement
Reduction
8
Name the Transformation
Reflection
Rotation
Translation
Dilation
9
Evaluate 86|x-1|when x = 1
-1
0
86
-86
10
A sheet of paper or patty paper is similar to?
a Plane
Patty Paper
11
What is the opposite of 16?
16
-16
12
What are lines that lie on different planes and never intersect?
Skew Lines
Intersecting Lines
Perpendicular Lines
Parallell Lines
13
Is this a dilation
True
False
14
Use the Segment Addition Postulate to solve
36
7
20
16
15
Which of the following basics of geometry does not have any dimensions?
Line segment
Line
Point
Plane
16
Dilations preserve distance.
True
False
17
What real world items shows a reflection?
Mirror
Vinyl
Picture Frame
School desk
18
Identify the following transformation.
Translate Up
Translate Down
Reflection over X-Axis
Reflection of Y-Axis
19
How would you rate your current understanding of Geometry content that we have covered in class?
9
3
5
7
20
Name the Transformation
Translation
Rotation
Reflection
Restoration
21
Rotation means to turn.
True
False
22
What is 1 chick +1 chick?
2 chicks
2
2 chick
2 chiks
23
segment addition...
9
12
17
8
24
5+(-2)=
-3
3
7
-7
25
What are collinear pairs?
Points on different lines
Coordinate points
Shared points
3 or more points on the same line
26
This is a Dilation...
False
True
27
An obtuse angle is
an angle 180°
an angle exactly 90°
an angle smaller than 90°
an angle larger than 90°
28
Parallel lines never touch.
False
True
29
Name the Transformation
Rotation
Transduction
Reflection
Translation
30
What symbol do we use for line?
↔
≄
→
⦜
31
A line segment has two end points?
True
False
32
segment addition...
20
3
11
6
33
Identify the following transformation.
Reflection over the X-Axis
Translation Right
Translation Left
Reflection over the Y-Axis
34
Perpendicular lines create four 90° angles and intersect making a cross.
False
True
35
What is a translation?
Flip
Change in size
Turn
Slide
36
Who studied the basics of geometry?
Herodotus
Euclid
Socrates
Eratosthenes
37
What Are All The Properties Of Algebra?
Associative, Identity, Distributive, and Commutative.
Distributive, Asocitove, Inverse, Identity, and Comutative.
Distributive, Associative, and Commutative.
Distributive, Associative, Inverse, Identity, and Commutative.
38
What is the formula for Segment Addition Postulate?
BC+AC=AB
BC/AB=AC
AB+BC=AC
AC+AB=BC
39
What happens to the new image if the scale factor of the original image to new image is 1 : 8?
Reduction
It grows overtime
Remains the same
Enlargement
40
How do we simplify this algebra:
c2
cc
2c
2c2
41
Find the scale factor of the dilation
4
3
6
2
42
An reduced dilation has a scale factor greator than 1 and is shown as a ratio.
False
True
43
This is an example of a ______________ shape. These shapes are commonly found when studying Geometry in Math.
Geometric shape
Organic shape
44
Algebra 1 Review
21
16
20
11
