Dilations and other Transformations
Authored by Jacob Ortiz
Mathematics
8th Grade
TEKS covered
Used 43+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Triangle ABC is dilated to produce triangle A'B'C' with scale factor 3/4 . Which describes the relationship between the two triangles?
Triangle A'B'C' is an enlargement of triangle ABC
Triangle A'B'C' is a reduction of triangle ABC
Triangle A'B'C' is a mirror image of triangle ABC
Tags
TEKS.MATH.G.3A
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which is true about the scale factor when a figure is enlarged?
The scale factor is zero.
The scale factor is 1.
The scale factor is larger than 1.
The scale factor is smaller than 1.
Tags
TEKS.MATH.7.5C
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is the algebraic representation for a dilation?
Hint: Dilation means Multiplication!!!
(x, y) → (x+3, y+3)
(x, y) → (3x, 3y)
(x, y) → (x, -y )
(x, y) → (-x, .-y)
(x, y) → (-y , x)
Tags
TEKS.MATH.G.3A
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A
B
C
D
Tags
TEKS.MATH.8.10C
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Identify the algebraic rule after a 90° counter clockwise rotation:
(x, y) ---> ___________
Hint: Use your sticky Notes!
Tags
TEKS.MATH.G.3A
6.
MATCH QUESTION
5 mins • 1 pt
(x, y) --> (x, -y)
Dilation Enlargement
(x, y) --> (y, -x)
slide 1 right , slide 2 down
(x, y) --> (2x, 2y)
reflection over the
x-axis
(x, y) --> (x+2, y+2)
Translation
(x, y) --> ( x+1, y-2)
270 counter-clockwise rotation
Tags
TEKS.MATH.G.3A
7.
MATCH QUESTION
5 mins • 1 pt
Dilation reduction
(x, y)-->( -x, -y )
Translation
(x, y)-->(4x, 4y)
180 clockwise rotation
(x, y)-->(x+2, y+2)
Dilation Enlargement
(x, y)-->(x, -y)
reflection over the
x-axis
Tags
TEKS.MATH.G.3A
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