Reflections Over Diagonal Lines
Authored by Tawanna Saxton
Mathematics
8th Grade
CCSS covered
Used 216+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is a reflection?
When you turn an object around a point.
When you flip or mirror an object across a line.
When you slide an object from one place to another.
When you resize an object.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the rule for a reflection across the y = x line?
(x, y) becomes (x, -y)
(x, y) becomes (-x, y)
(x, y) becomes (-x, -y)
(x, y) becomes (y, x)
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Graph the reflection with line of reflection y=x. Point C is currently located at (3,1). What are the new coordinates of C' ?
(3, 1)
(1, 3)
(-3, -1)
(-3, 1)
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What are the new coordinates of A' after a reflection across the line y=x?
(1,1)
(1, 2)
(2,1)
(-1, 2)
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
What is the new location of image point C' when reflected over the line y=x ?
(0, 2)
(0, -2)
(2, 0)
(0, 0)
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
What is the new location of image point B' when reflected over the line y=x ?
(-6, 2)
(-8, 9)
(9, -8)
(2, -6)
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
7.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
What is the rule for a reflection across the y = --x line? Remember this is a negative diagonal line through the origin.
(x, y) becomes (x, -y)
(x, y) becomes (-x, y)
(x, y) becomes (-y, -x)
(x, y) becomes (y, x)
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
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