Transformations Unit Test Review Part 1

Transformations Unit Test Review Part 1

Multiple Choice

1. What is the line of reflection?

• x- axis

• y- axis

• y=2

• y=x

Multiple Choice

Is the picture being reflected in the y-axis or x-axis?

• y-axis
• x-axis

Multiple Choice

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation
• 90^o counter clockwise rotation
• Reflection across the y-axis
• Reflection across the x-axis

Multiple Choice

What is the sequence of transformations?

• Reflect over the y then reflect over the x
• Reflect over the x then reflect over the y
• Translate 4 units then rotate 90˚
• Rotate 90˚ then reflect over the x

Multiple Select

What transformations are considered rigid motions? Select all that apply.

• Translations

• Dilations

• Rotations

• Reflections

Multiple Choice

A rigid motion ...

• maintains size and location

• changes shape and location

• maintains size and shape of a figure

• makes the figure larger

Multiple Choice

If you rotate a triangle 90⁰, what feature of the triangle changes?

• Angle measures

• Length of hypotenuse

• Position of triangle

• Size of rectangle

Multiple Choice

A rigid motion creates figures that are ____________.

• congruent
• different sizes
• similar
• larger

Multiple Choice

True or False: Rigid motions change side length.

• True

• False

Multiple Choice

True or False: Rigid motions do not change angle measure.

• True

• False

Multiple Choice

Rotating a polygon 90 degrees clockwise is the same as

• Rotating 90 degrees counter clockwise

• Rotating 270 degrees counterclockwise

• Rotating it 180 degrees clockwise

• Rotating it 270 degrees clockwise

Multiple Choice

Which triangle would be congruent to the original(pre-image) using a reflection across the y-axis?

Multiple Choice

The angles in the this triangle are to be reflected over the x axis. What would be the measures of the reflected angles?

• It would have half the measure of the original angle

• It would be the measure of the original angles

• It would have double the measure of the original angles

Multiple Choice

Identify the rotation rule on a coordinate plane that verifies that triangle A (5,-7) B ( 3,6) C (2,-5) and triangle A' (7,5), B'(-6,3) C'(5,2)

• (x,y)--> (- y,x)

• (x,y)---> (-x,-y)

• (x,y)---> (y, x)

• The triangles are not congruent

Multiple Choice

Which rule describes rotating 180° clockwise?

• ( x, y ) → ( y, -x )

• ( x, y ) → ( -x, -y )

• ( x, y) → ( -y, -x )

• ( x, y ) → ( -y, x )

Multiple Choice

If you were to rotate ABCD 180° about the origin, what would the coordinate of A' be?

• (3, 5)

• (-3, -5)

• (-5, 3)

• (5, 3)

Multiple Choice

When translating up or down on a coordinate plane, what coordinate are we referring to?

• x-coordinate

• y-coordinate

• both the x- and y-coordinates

• neither the x- nor the y-coordinate

Multiple Choice

When translating left or right on a coordinate plane, what coordinate are we referring to?

• x-coordinate

• y-coordinate

• both x- and y-coordinates

• neither the x- nor the y-coordinate

Multiple Choice

Where would A' be if you translated A 3 units to the right and 4 units down?

• (-4, 4)
• (-1, 0)
• (0, -1)

Multiple Choice

Determine where T' would be if you translated T 3 units to the right and 6 units up.

• (5, 1)
• (2, -5)
• (-1, 1)
• (8, -2)

Multiple Choice

A figure is translated 9 units left and 3 units down. What algebraic rule describes this transformation?

• (x, y) --> (x - 9, y + 3)

• (x, y) --> (x - 9, y - 3)

• (x, y) --> (x + 3, y - 9)

• (x, y) --> (9x, 3y)

Open Ended

Write a rule for the transformation shown.

Open Ended

After examining the following graph, Jennifer claims that ABC is translated according to the rule ( x,y)---> ( x+3 y-7) Is she correct? If not, write the correct rule