8th grade illustrative unit #1

Parallelogram ABCD was translated to parallelogram A'B'C'D'.

How many units and in which direction were the x-coordinates of parallelogram ABCD moved?

• 3 units to the right

• 3 units to the left

• 7 units to the right

• 7 units to the left

• a translation across the x-axis

• a rotation

• a reflection across the x-axis

• a dilation

Which type of transformation is represented by the figures in the graph?

• reflection and translation

• reflection

• rotation

• dilation and rotation

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

This figure shows two triangles, labeled 1 and 2.

Which one of the following describes a way to move triangle 1 so that it completely covers triangle 2?

• Rotate 180 degrees about point P.

• reflect over line L

• translate 5 units to the right followed by 8 units down

• reflect over line m

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Which transformation maps the solid figure A onto the dashed figure B?

• Rotation 180^o about the origin

• Translation to the right and down

• Reflection across the x-axis

• Reflection across the y-axis

This figure depicts the image of rectangle PQRS after a transformation. Which transformation produced the image P'Q'R'S'?

• a 180⁰ counterclockwise rotation about the point (0,0)

• a translation of four units to the right

• a 90⁰ counterclockwise rotation about the point (0,0)

• a reflection over the y-axis

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Which of the following describes the transformation from figure A to figure B on the grid?

• reflection across the x-axis

• reflection across the y-axis

• rotation about point (0,0)

• translation 6 units right

Karin used a single transformation of trapezoid P to create the image Q on the coordinate plane shown. Which of these describe the transformation that Karin used?

• reflection over the x-axis

• reflection over the y-axis

• translation down

• translation up

Lainey drew figure P on a coordinate grid. Then she did a one-step transformation of figure P to draw figure Q as shown. Which of the following one-step transformations of figure P could Lainey have done to draw figure Q?

• reflection over the x-axis

• reflection over the y-axis

• rotation 180⁰ clockwise

• translation to the right

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3