Transformations Review

Front

What is the result of a rotation of 180 degrees for the point (x, y)?

Back

(-x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the function rule for reflecting a point over the x-axis?

Back

(x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

How do you rotate the point (6, 5) 90 degrees clockwise?

Back

(5, -6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the scale factor in a dilation that enlarges a shape by 3 times?

Back

3

Tags

CCSS.8.G.A.3

Front

What is the sequence of transformations when reflecting over the y-axis and then the x-axis?

Back

Reflect over the y-axis then reflect over the x-axis.

Tags

CCSS.8.G.A.3

Front

What is a transformation in geometry?

Back

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What are the four main types of transformations?

Back

Translation, rotation, reflection, and dilation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the effect of a translation on a point (x, y)?

Back

A translation moves the point to (x + a, y + b) where a and b are the horizontal and vertical shifts.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What happens to the coordinates of a point when it is reflected over the y-axis?

Back

The x-coordinate changes sign: (x, y) becomes (-x, y).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the effect of a dilation with a scale factor less than 1?

Back

The shape is reduced in size.

Tags

CCSS.8.G.A.3