AnswersSRC 2022 MJ Grade 8 Pre-Algebra Q1Congruence and Transformations

Congruence and Transformations Answers

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1
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First perform a vertical translation of –5 and then a horizontal translation of –5. Check all that apply.

A
Option
B
Option
C
Option
D
Option
E
Option
F
Option
5

The point (5, 3) has an image of (2, –1) under a translation of left 3 and down 4 units. Which sequence of transformations produces the same image?

A
Translate left 2 units and down 3 units, and then reflect over the x-axis.
B
Translate left 3 units and down 2 units, and then reflect over the x-axis.
C
Reflect over the x-axis, and then translate left 2 units and down 3 units.
D
Reflect over the x-axis, and then translate left 3 units and down 2 units.
7

Which sequence of transformations produced the image?

A
a counter-clockwise rotation 90° about the origin followed by a translation 2 units to the right and 1 unit up
B
a translation 2 units to the right and 1 unit up followed by a counter-clockwise rotation 90° about the origin
C
a clockwise rotation 90° about the origin followed by a reflection across the y-axis
D
a reflection across the y-axis followed by a clockwise rotation 90° about the origin

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