Unit 1 Test 8th

The dashed figure is the image of the solid figure.  What is the Algebraic Notation for the Translation?

• (x, y) --> (x - 7, y + 4)
• (x, y) --> (x + 7, y - 4)
• (x, y) --> (x + 4, y - 7)
• (x, y) --> (7x, 4y)

Tags

G.3

The point (1, -3) is shown on the graph. What are the coordinates of the image of this point after a reflection over the x-axis?

• (-1, -3)

• (1, 3)

• (3, -1)

• (-3, 1)

Tags

G.3

What is the ordered pair for C' if reflected over the y-axis?

• (-3, 2)

• (3, 2)

• (-2, 3)

• (3, 0)

Tags

G.3

Rotation Rules (clockwise):

180^o rotation: (x, y)→(-x, -y)

What are the coordinates of C' after a rotation of 180° clockwise?

• (-3, -1)

• (3,1)

• (1,3)

• (-1, -3)

Tags

G.3

Find K' if the figure is reflected across the x-axis

• (4, 1))
• (-1, -4)
• (1, -4)
• (1, 4)

Tags

G.3

Identify the correct picture which represents a 90^o clockwise rotation about the origin.

• 
• 
• 
• 

Tags

G.3

Which pair of cards show a shape and its image after a rotation?

• 1 and 4

• 2 and 6

• 3 and 5

Tags

G.1

Which of the following statements is true about congruent figures?

• Congruent figures have different side lengths.

• Congruent figures always have different orientations.

• Congruent figures have the same shape but different sizes.

• Congruent figures can be mapped onto each other using only translations, rotations, and reflections.

Tags

G.2

Juan and Zahra each made a design using five circles. Select all of the true statements.

• The smallest circle in Juan's design is congruent to the smallest circle in Zahra's design.

• Juan's design is congruent to Zahra's design.

• If you translate Juan's design 14 units to the right, you get Zahra's design.

• Each circle in Juan's design has a congruent circle in Zahra's design.

Tags

G.1

Polygon A is congruent to polygon B because it can be mapped onto polygon B using which of the following transformations?

• Rotate Polygon A 90° counterclockwise around its far-right point and then translate 4 units to the right

• Translate Polygon A 4 units to the left and 2 units down

• Rotate Polygon A 180 degrees and then translates 6 units to the left

• Reflect Polygon A over line y = 2

Tags

G.2