Unit Test — Unit test Answers

1 verified answers
1
Free Preview

A regular decagon has 10 sides.

Question illustration
A
5
B
10
C
15
D
20
2
Free Preview

Jolon drew the figure that is shown below. Jolon translated the figure left 5 units and down 4 units. What are the new coordinates of point C?

Question illustration
A
(–4, 0)
B
(0, 0)
C
(0, –3)
D
(1, –4)
3

On a coordinate plane, 2 quadrilaterals are shown. The first figure has points A (negative 2, 1), B (negative 4, 1), C (negative 4, 5), and D (negative 2, 4). Figure 2 has points A prime (2, 1), B prime (4, 1), C prime (4, 5), and D prime (2, 4).

Question illustration
A
rx-axis(x, y) → (–x, y)
B
ry-axis(x, y) → (–x, y)
C
rx-axis(x, y) → (x, –y)
D
ry-axis(x, y) → (x, –y)
4

Alejandro drew the blue figure below. Alejandro performed two transformations on the blue figure to create the red figure. What transformations did he perform to get the red figure?

Question illustration
A
a reflection across the x axis followed by a translation of 3 units right
B
a rotation of 90 degrees counterclockwise about the origin followed by a translation of 4 units right
C
a translation of 4 units right and then a translation of 3 units up
D
a translation of 3 units right and then a translation of 4 units up
5

Which points are vertices of the pre-image, rectangle ABCD? Select four options.

A
(–1, –2)
B
(7, 1)
C
(–1, 7)
D
(–1, 1)
E
(7, –2)
6

A square on a coordinate plane is translated 9 units down and 1 unit to the right. Which function rule describes the translation?

A
T1, –9(x, y)
B
T–1, –9(x, y)
C
T–9, 1(x, y)
D
T–9, –1(x, y)
7

Consider the rotational symmetry of rhombus WXYZ.

Question illustration
A
1
B
2
C
3
D
4
8

If triangle ABC is reflected over the x-axis, triangle A'B'C' will be created.

Question illustration
A
2 units
B
4 units
C
10 units
D
12 units
9

An artist will use isometric transformations of square LMNO to create a symmetrical design with contrasting colors.

Question illustration
A
If LMNO is reflected over the y-axis, the small center square in the image will have a lesser area.
B
It LMNO is reflected over the x-axis, the small center square in the image will have the same area.
C
If LMNO is rotated 180° counterclockwise about point O, the small center square in the image will have a lesser area.
D
If LMNO is rotated 180° counterclockwise about point O, the small center square in the image will have a greater area.
10

Triangle EFG has vertices E(–3, 4), F(–5, –1), and G(1, 1). The triangle is translated so that the coordinates of the image are E’(–1, 0), F’(–3, –5), and G’(3, –3).

A
T4, –4(x, y)
B
T–4, –4(x, y)
C
T2, –4(x, y)
D
T–2, –4(x, y)
11

Question text not available

Question illustration
A
60°
B
90°
C
180°
D
360°
12

A regular polygon first maps directly onto itself after rotating 10 degrees. How many sides does the polygon have?

A
18
B
28
C
36
D
50
13

On a coordinate plane, 5 trapezoids are shown. Trapezoid L M N P is in quadrant 2 and has points (negative 2, 3), (negative 2, 6), (negative 1, 6), and (negative 1, 4). Trapezoid B is reflected in quadrant 2. Trapezoid C is reflected across the y-axis. Trapezoid D is reflected into quadrant 4. Trapezoid A is reflected across the x-axis.

Question illustration
A
figure A
B
figure B
C
figure C
D
figure D
14

On a coordinate plane, 3 triangles are shown. Triangle A B C has points (5, negative 5), (1, negative 2), (1, negative 5). Triangle A prime B prime C prime has points (5, 5), (1, 2), (1, 5). Triangle A double-prime B double-prime C double prime has points (negative 1, 3), (negative 5, 0), (negative 5, 3).

Question illustration
A
Translation of negative 6 units x, negative 2 units y composition reflection across the x-axis
Option A
B
Reflection across the x-axis composition translation of negative 6 units x, negative 2 units y
Option B
C
Translation of negative 6 units x, negative 2 units y composition 90 degree rotation about point 0
Option C
D
90 degree rotation about point 0 translation of negative 6 units x, negative 2 units y
Option D
15

A point has the coordinates (m, 0) and m ≠ 0.Which reflection of the point will produce an image located at (0, –m)?

A
a reflection of the point across the x-axis
B
a reflection of the point across the y-axis
C
a reflection of the point across the line y = x
D
a reflection of the point across the line y = –x

Did you find these answers helpful?