CHAPTER 7 REVIEW

What two transformations were performed to obtain △X"Y"Z" in the diagram

• Reflection, reflection
• Reflection, rotation
• reflection , translation
• Rotation, reflection

The point P (-3, 7) is reflected in the line y = x. What are the coordinates of P’?

• (-3, -7)
• (3, -7)
• (-7, 3)
• (7, -3)

How many lines of symmetry does the polygon below have?

• 2
• 10
• 4
• 8

What type of transformation is shown in the diagram

• Translation
• Reflection
• Rotation
• Glide reflection

Which of the following are a rotation of the figure below? (select all that apply)

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An isometry is a transformation of an object in which the original object and its image are congruent. Which transformation is NOT always an isometry?

• Dilation
• Reflection
• Rotation
• translation

Quadrilateral QRST has vertices Q (3, 5), R (1, -1), S (-4, 5), and T (-2, -3). The quadrilateral is translated left 3 units and up 2 units. Which coordinate in the resulting polygon Q’R’S’T’ was transformed correctly?

• Q’ (6, 7)
• R’ (-2, -3)
• S’ (-7, 7)
• T’ (5, 1)

Hexagon ABCDEF is reflected across the x-axis to create A’B’C’D’E’F’, which is then rotated counterclockwise about point F”. Which figure shows the final image?

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You are making hand shadows on a wall using a flashlight. You hold your hand 1 foot from the flashlight and 5 feet from the wall. Your hand is parallel to the wall. If the measure from your thumb to ring finger is 6 inches, what will be the distance between them in the shadow?

• 30 inches
• 36 inches
• 5 inches
• 6 inches

Describe the composition of the transformations

• Translation (x, y)→(x + 5, y - 4), reflection about x-axis
• reflection about x-axis, Translation (x, y)→(x + 5, y - 4)
• Translation (x, y)→(x + 5, y - 4), reflection about y-axis
• Reflection about y-axis, Translation (x, y)→(x + 5, y - 4)