Math 8 Trimester 1 Benchmark Review

Front

What is a reflection in geometry?

Back

A reflection is a transformation that flips a figure over a line, creating a mirror image.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the rule for reflecting a point (x, y) over the y-axis?

Back

The coordinates become (-x, y).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the rule for reflecting a point (x, y) over the x-axis?

Back

The coordinates become (x, -y).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a translation in geometry?

Back

A translation is a transformation that moves a figure from one location to another without changing its shape or orientation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Back

Tags

CCSS.8.EE.C.7B

Front

What is the result of a 90° clockwise rotation of the point (x, y)?

Back

The new coordinates are (y, -x).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What are the coordinates of point A after a 90° clockwise rotation if A is at (1, 3)?

Back

The coordinates are (3, -1).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

How do you reflect the point C(2, 3) over the y-axis?

Back

The reflected point is C'(-2, 3).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Back

Tags

CCSS.6.EE.B.7

Front

What is the definition of a transformation in geometry?

Back

A transformation is an operation that moves or changes a shape in some way to produce a new shape.

Tags

CCSS.HSG.CO.A.2