Dilations, Reflections, Translations
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is a dilation in geometry?
Back
A dilation is a transformation that alters the size of a figure but keeps its shape, defined by a scale factor.
Tags
CCSS.8.G.A.3
2.
FLASHCARD QUESTION
Front
What is the scale factor in a dilation?
Back
The scale factor is a number that describes how much a figure is enlarged or reduced during a dilation.
Tags
CCSS.8.G.A.3
3.
FLASHCARD QUESTION
Front
If a point (x, y) is dilated by a scale factor of k, what is the new point?
Back
The new point is (kx, ky).
Tags
CCSS.8.G.A.3
4.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point when it is reflected across the x-axis?
Back
The y-coordinate changes sign; the new point is (x, -y).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
5.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point when it is reflected across the y-axis?
Back
The x-coordinate changes sign; the new point is (-x, y).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
6.
FLASHCARD QUESTION
Front
What is a translation in geometry?
Back
A translation is a transformation that moves every point of a figure the same distance in a specified direction.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
7.
FLASHCARD QUESTION
Front
How do you perform a translation of a point (x, y) by (a, b)?
Back
The new point after translation is (x + a, y + b).
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Microsoft
or continue with
%20(1).png)
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?
