Geometry Regents Transformations Review

• Choice (1)
• Choice (2)
• Choice (3)
• Choice (4)

Which of the following describes the sequence of transformations shown?

• Reflect across the x-axis and then rotate -90 degrees around the origin

• Rotate -90 degrees around the origin and then translate down.

• Reflect across the x-axis and then reflect across the y-axis.

• Translate up and then rotate 90 degrees about the origin.

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

∆DEF and ∆TUV are congruent triangles. Which statement is known to be true?

• DE≅TU

• DF≅TU

• DF≅UV

• DE≅TV

What method could be used to prove the triangles congruent?

• ASA

• AAS

• SAS

• HL

In the diagram below, congruent figures 1,2, and 3 are drawn. Which sequence of transformations maps figure 1 onto figure 2 and then figure 2 onto figure 3?

• a reflection followed by a translation

• a rotation followed by a translation

• a translation followed by a reflection

• a translation followed by a rotation

The vertices of triangle JKL havae coordinates J(5,1), K(-2, -3) and L(-4,1). Under which transformation is the image triangle J'K'L' not congruent to triangle JKL?

• a translation of two units to the right and two units down

• a counterclockwise rotation of 180 degrees around the origin

• a reflection over the x-axis

• a dilation with a scale factor of 2 and centered at the origin

The line whose equation is 3x - 5y = 4 is dilated by a scale factor of 5/3 centered at the origin. Which statement is correct?

• The image of the line has the same slope as the pre-image but a different y-intercept

• the image of the line has the same y-intercept as the pre-image but a different slope

• The imagine of the line has the same slope and the same y-intercept as the pre-image

• the image of the line has a different slope and a different y-intercept from the pre-image.

Which object is formed when right triangle RST shown below is rotated around leg RD?

• A pyramid with a square base

• an isosoceles Triangle

• a right triangle

• A cone

• (1)

• (2)

• (3)

• (4)