Reflection Over an Axis

Quiz
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the transformation from ABC to A'B'C'.
90o clockwise rotation
90o counter clockwise rotation
Reflection across the y-axis
Reflection across the x-axis
Answer explanation
The image appears to be flipped from the preimage, which indicates a reflection.
The figure would need to be flipped/reflected across the x-axis to be oriented the way it is. Think of it like a page turned from preimage to image, with the page "attached" at the x-axis.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What axis is the image reflected over?
X-axis
Y-axis
Answer explanation
Think of your axis of reflection as a book spine: If you "turn the page" to move your figure from preimage to image, where would the page have been attached?
In this case, the x-axis.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reflections over the x-axis change the ____-__________.
y-coordinate
x-coordinate
Answer explanation
If you compare the points in the visual example, you can see that the x-values are the same but the sign of the y-value was changed.
Therefore, reflecting over the x-axis changes the y-coordinate.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is the picture being reflected in the y-axis or x-axis?
y-axis
x-axis
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
If the dotted figure is the image, the original figure was reflected over the ...
x-axis
y-axis
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
6.
DRAG AND DROP QUESTION
1 min • 1 pt
Which axis was the figure reflected over?
y-axis
x-axis
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reflections over the x-axis change the ____-__________.
y-coordinate
x-coordinate
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
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