Unit 7 Test Review

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

• right two, down five
• right two, down 9
• left two, up 9
• left two, down 5

Determine where X' would be if you translated X 3 units to the left and 9 units down.

• (-4, 4)
• (-10, 2)
• (-4, -5)
• (-1, 5)

What does a translation do to an image?

• Turns it 90* clockwise
• Mirrors it
• Shrinks it
• Slides it

Which answer shows a reflection across the y-axis?

• a
• b
• c
• d

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

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

A turn is also called a ___________.

• Translation
• Reflection
• Rotation
• Transformation

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

Rotating a pre-image _____degrees will place it back to its original position.

• 180
• 90
• 270
• 360

The point Z(4, -2) is rotated 180 degrees about the origin.  What is the image of Z?

• Z'(2, 4)
• Z'(-4, 2)
• Z'(-2, -4)
• Z'(-4, -2)

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

• y-axis
• x-axis