Completing Grid Figures
ISEE Lower Level Mathematics Achievement · Flashcards
ISEE LOWER LEVEL MATHEMATICS ACHIEVEMENT · FLASHCARDS
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QUESTION
Identify the rule for a
90
∘
90^\circ
9
0
∘
clockwise rotation about the origin of
(
x
,
y
)
(x,y)
(
x
,
y
)
.
QUESTION
What is the image of
(
2
,
5
)
(2,5)
(
2
,
5
)
after a
90
∘
90^\circ
9
0
∘
counterclockwise rotation about the origin?
QUESTION
What is the image of
(
6
,
−
1
)
(6,-1)
(
6
,
−
1
)
after a
180
∘
180^\circ
18
0
∘
rotation about the origin?
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ANSWER
(
−
6
,
1
)
(-6,1)
(
−
6
,
1
)
. Applying the
180
∘
180^\circ
18
0
∘
rotation rule transforms the point to its image.
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