Geometry Mock test 2

Triangle ABC will be dilated by a scale factor of 1/2.  What will be the coordinates of C'?

• (-1, -2.5)
• (12, 6)
• (3, -1.5)
• (0, 1.5)

The point A (8, 12) was dilated to become point A' (2, 3). What was the scale factor?

• ½

• ¼

• 4

• 2

What scale factor was used to produce the image?

• 2
• -2
• ¹/₂
• 1

Where is the center of dilation?

• (0, 0)

• (3, 1)

• (1, 1)

• (4, 3)

What are the coordinates for the center of dilation?

• (0, 0)

• (4.5, 5.5)

• (3, 2)

• (6.5, 4)

What are the coordinates for the center of dilation?

• (3, 0)

• (0, 0)

• (3, 1)

• (3, -2)

If two figures are similar, the corresponding sides are ______________.

• equal
• congruent
• proportional
• none of these

What is the measure of x?

• 12
• 15
• 6
• 9

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• SAS

• AA

• SSS

• not similar

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• SSS

• AA

• SAS

• not similar