Unit 2 Retest

Choose the answer choice that shows segment WS is a translation of segment DF.

• W (2, 2), S (5, 2) and D (3, 3), F (5, 3)

• W (-1, 3), S (2, -2) and D (-4, 2), F (-1, -3)

• W (5, -3), S (2, 2) and D (1, -4), F (-1, -3)

Choose the correct answer which will transform △ABD with A(1, 3), B(2, 3), D(4, 5) into the given coordinates and transformation.

• A' (2, 4), B'(3, 4), D'(5, 6) is formed by translation.

• A' (-1,3), B' (-2,3), D' (-4,5) is formed by a rotation.

• A' (1,-5), B' (2,-3), D' (4,-1) is formed by a reflection.

If (7, -2) is translated onto (3, 0), then what is the algebraic rule for any point (x, y) in the same image?

• (x - 4, y - 2)

• (x - 4, y + 2)

• (x + 4, y - 2)

• (x + 4, y + 2)

Rhombus WHAT has vertices W (1, 1), H (5, 3), A (7, 7), T (3, 5). After a translation, the image W' is located at (−2, 8). What are the coordinates of A'?

• (0, 12)

• (−14, 56)

• (2, 10)

• (4, 14)

Consider the point A(-3, 5). What are the coordinates of A', the image of A, after a counterclockwise rotation of 90° about the origin?

• (-5, -3)

• (-5, 3)

• (5, -3)

• (5, 3)

Point S has coordinates (2, -3) and is reflected over the x-axis. What are the coordinates of the image?

• (2, 3)

• (-3, 2)

• (3, -2)

• (-2, -3)

Which choice illustrates a dilation of triangle DEF with a scale factor of 2, then a translation 3 units up?

• 
• 
• 
• 
• None of these

Circle C is drawn on a coordinate grid with center (3, 4) and radius 10 and then translated 3 units up and 4 units left to produce circle C'. Then, C' is dilated by a factor of 2/5 using the center of C' as the center of dilation, thereby producing circle C''. Which of the following provides the center and radius of C''?

• Center = (-2/5, 14/5) Radius = 4

• Center = (-1, 7), Radius = 4

• Center = (-7/5, 49/5)

  Radius 14

• Center = (-1, 7), Radius = 14

Look at the figures below. The transformation that was used to map ABCD to MNOP was

• reflection across the y-axis

• Reflection across the x-axis

• Rotation 90 degrees clockwise

• Rotation 90 degrees counterclockwise

△ABD is in Quadrant 1 and reflected across y-axis and then reflected across the x-axis. Which quadrant will the triangle be in after the first transformation?

• Quadrant 1

• Quadrant 2

• Quadrant 3

• Quadrant 4