Grade 8 Math Chapter 2 Test: Transformations

Last updated about 1 year ago
11 questions
3
Translate the figure 2 units left and 2 units down.

A (1,3) --> A' _______

B (4,3) --> B' _______

C (2,-1) --> C' _______
3
Draw the reflection of the figure over the x-axis.

Perform the transformation and then write the coordinates into the correct box.

A(-2,-4) ---> A' _______

B (1,-3) ---> B' _______

C(3, -4) ---> C' _______
3
Rotate the figure 180° about the origin.

D (-4, -1) ---> D' _______

O (2, -3) ---> O' _______

G(1, -4) ---> G' _______
1

On the coordinate plane shown, Segment AB is a vertical segment with a length of 5 units.


If Segment A'B' is the image of Segment AB after a rotation, which must be true about Segment A'B'?

3
The vertices of a triangle are M(−2, 1)​ , I(1, 0)​, A(−3, 2)​.
Draw the image after a dilation with a scale factor of 2.

Enter the coordinates of the image in the appropriate boxes.

M' _______
I' _______
A' _______
4
The vertices of a quadrilateral are W(-6,0), O(4, 2), L(2,-4). and F(-6,-6).




W' _______
O' _______
L' _______
F' _______
1

Are Triangle ABC and Triangle DEF similar?

2
Select from the drop-down menus to correctly complete the statement.


Figure 1 can be transformed into Figure 2 by a __________ followed by a __________.
1

XYZ′​  is a dilation of △XYZ​ . Identify the type of dilation and find the scale factor.

2
The red figure is similar ot the blue figure.
Complete the description of a similarity transformation between the figures.


One possible similarity transformation is to dilate the red figure with respect to the origin using a scale factor of __________ and then reflect the image over the __________-axis.
0
Extra Credit

Rotate the figure 90° counterclockwise about the origin (show in BLUE), and then reflect in the x-axis (show in PINK).