Quiz about 8th Math STAAR Review Transformations

Question 1

Question 1.

Accepted Answer

Question 2

Question 2.

Accepted Answer

Question 3

Question 3.

Accepted Answer

Question 4

Question 4.

Accepted Answer

Question 5

Question 5.

Accepted Answer

If a is between 0 and 1, the image of the polygon is smaller than the polygon.

Answer

If a is greater than 1, the image of the polygon is congruent to the polygon.

Answer

If a is between 0 and 1, the image of the polygon is congruent to the polygon.

Answer

If a is greater than 1, the image of the polygon is smaller than the polygon.

Question 6

Question 6.

Accepted Answer

Question 7

Question 7.

Accepted Answer

Question 8

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

Accepted Answer

A dilation by a scale factor of 1.5

Answer

A rotation of 270 counterclockwise.

Answer

A reflection across the y-axis

Answer

A translation of 50 units down

Question 9

Which representation of a transformation on a coordinate grid does NOT preserve congruence?

Accepted Answer

Question 10

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

Accepted Answer

A $$180\degree$$ clockwise rotation about the origin

Answer

A reflection across the x-axis

Answer

A reflection across the y-axis

Answer

A $$90\degree$$ clockwise rotation about the origin

8th Math STAAR Review Transformations