Transformations Review w/ Mixed

Triangle XYZ is dilated by a scale factor of 0.6 with the origin as the center of dilation to create X'Y'Z'. If (x , y) represents the location of the corresponding point on triangle XYZ, which ordered pair represents the location of the corresponding point on triangle X'Y'Z'?

• (x + 0.6 , y + 0.6)

• (0.6x , 0.6y)

• (x + 6 , y + 6)

• (6x , 6y)

^{Which equations can be used to find t?}

• A

• B

• C

• D

A polygon will be dilated on the coordinate grid to create a smaller polygon. The polygon is dilated usin the origin as the center of dilation.

Which rule could represent this dilation?

• (x , y) -> (0.5 - x , 0.5 - y)

• (x , y) -> (x - 7 , y - 7)

• (x , y) -> (5/4x , 5/4y)

• (x , y) -> (0.9x , 0.9y)

Which measurement is the closest to the distance between point B and point D in units?

• 5.8 units

• 13.4 units

• 10.4 units

• 12.1 units

Which rule best represents the dilation that has been applied to triangle JKL to create triangle J'K'L'?

• (x , y) -> (x + 6 , y + 6)

• (x , y) -> (x + 4 , y + 4)

• (x , y) -> (0.5x , 0.5y)

• (x , y) -> (7/4x , 7/4y)

Which rule best represents the dilation that was applied to Figure S to create Figure T?

• (2x , 2y)

• (4x , 4y)

• (0.5x , 0.5y)

• (0.25x , 0.25y)

A transformation is applied to a figure to create a new figure on a coordinate grid. Which transformation does NOT preserve congruence?

• A rotation of 270° counterclockwise

• A reflection across the y-axis

• A dilation by a scale factor of 1.5

• A translation of 50 units down

What is the solutions to this equation?

2y + 3 = y - 4

• Not possible

• 7/3

• -2

• -7

A figure was transformed on a coordinate grid using the rule (x , y) -> (-x , -y). Which of the following describes this transformation?

• A reflection across the x-axis

• A reflection across the y-axis

• A 90° clockwise rotation

• A 180° clockwise rotation

At a restaurant 600 customers were served during a 10-hour period of time. Which graph has a slope that best represents the number of customers that were served per hour at this restaurant?

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