Geo S2 Practice Final

When the point (5, -1) is reflected across the y=x, what is the resulting image? Hint: Graph it.

• (-5,1)

• (-1,5)

• (1,-5)

• (5,-1)

What is the image of the point (5, -3) after a 90˚ counterclockwise rotation?

Hint: Graph it!

• (-3, -5)

• (5, 3)

• (3, 5)

• (-3, 5)

How many lines of symmetry does this figure have?

• 1

• 2

• 3

• 4

Point Q (5, -4) was mapped to point Q’’(-1, 4) first by a reflection over the y-axis, 

and then by a translation of which vector?

• (-4, -8)

• (-5, -4)

• (-6, 0)

• (4, 8)

If Triangle ABC is dilated by a scale factor of 2 around the center of (3, -3).  What would be the location of C’?

• (6, 12)

• (1, 9)

• (5, 9)

• (1, -15)

Solve for x.

• 18

• 4.5

• 2

Find DE.

• 15

• 1.7

• 9.6

• 2.4

Find MN.

• 39.58

• 20.58

• 17.54

• 9.12

Are these triangles similar? If so, why?

• AA Similarity

• SAS Similarity

• SSS Similarity

• Not Similar

            Triangle ABC ~ Triangle XYZ.  If AB = 5 in., BC = 18 in., AC = 12 in., and XY = 10 in., find XZ. Hint: Draw a picture.

• 24

• 6

• 4.2

• 6.7