Translations Answers

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3

Point W(–4, 7) was translated as follows: W(–4, 7) W’(–2, 4). A student wrote the algebraic rule to describe the translation as . Evaluate the student’s answer.

Question illustration
A
Incorrect; the student should add 2 to the x-coordinate and subtract 3 from the y-coordinate.
B
Incorrect; the student should add –4 + –2 to calculate the x-coordinate and add 7 + 4 to calculate the y-coordinate.
C
Incorrect; the student should add 3 to the x-coordinate and subtract 2 from the y-coordinate.
D
The student’s answer is correct.
5

A triangle has vertices of (–2, –1), (0, –5), and (3, 2). What are the vertices of the image after applying the translation ?

Question illustration
A
(–5, 3), (–3, –1), (0, 6)
B
(1, –5), (3, –9), (6, –2)
C
(1, –1), (3, –5), (6, 2)
D
(2, –4), (4, –8), (7, –1)
9

Point J(8, 5) was translated as follows: J(8, 5) J’(2, 9). A student wrote the algebraic rule to describe the translation as . Evaluate the student’s answer.

Question illustration
A
Incorrect; the student should add 8 + 2 to calculate the x-coordinate and should add 5 + 9 to calculate the y-coordinate.
B
Incorrect; the student added 4 to the y-coordinate instead of subtracting 4 from the y-coordinate.
C
Incorrect; the student added 6 to the x-coordinate instead of subtracting 6 from the x-coordinate.
D
The student’s answer is correct.
10

Which of the following patterns or images could best be described by a translation?

A
chairs around a round table
B
seats on a school bus
C
baby bird and mother bird
D
left and right hand

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Translations Answers — Integrated Math I…