Unit 1 Test Review (Honors)

 $\Delta ABC$ | A(3, -1), B(6, 1), C(5, -7)
 $\Delta A'B'C'$  | A'(-3, -1), B'(-6,1), C'(-5,-7)
What transformation is taking place?

• Reflection over y-axis

• Reflection over x-axis

• Rotation 90 degrees counterclockwise

• Rotation 270 degrees counterclockwise

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.

• (5,3)
• (20,12)
• (-20,-12)
• (-5,-3)

Tags

CCSS.8.G.A.3

Triangle CDE has been transformed in the second quadrant to Triangle C'D'E' . Rectangle JKLM will be translated to a corresponding position using the same transformation.

What is the location of K' in the new rectangle?

• (3, 10)

• (-1, 0)

• (0, -1)

• (3, 0)

Point C is located at (-5, 8). The point is reflected across the y-axis. What is the image of point C?

• (5, 8)

• (-5, -8)

• (8, -5)

• (-8, -5)

Which transformation can only create a figure which is similar but not congruent?

• Dilation

• Translation

• Reflection

• Rotation

Rotate the point (-3,-4) around the origin 180 degrees. State the image of the point.

• (-4,-3)
• (-4,3)
• (4,-3)
• (3,4)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

What transformation is happening?
(x, y) ----> (x + 2, y - 3) 

• slide up 2, left 3
• slide right 2, up 3
• slide right 2, down 3
• slide left 3, right 2

Tags

CCSS.HSG.CO.A.5

CCSS.8.G.A.3

Determine how to translate triangle ABC to triangle A'B'C'.

• <-2, 9>

• <2, -9>

• <-2, -9>

• <-2, 5>

How many lines of symmetry does this shape have?

• 0
• 1
• 2
• 4

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

The vertex of a figure is located at (5, 3). The figure is transformed and the image of the vertex is located at (-3, 5). What transformation has taken place?

• 90 degree counterclockwise rotation

• 270 degree counterclockwise rotation

• reflection over x-axis

• reflection over y-axis

• 180 degree rotation