Lesson 4 Compositions of transformations

Front

What are the coordinates of point A(-3, 2) after reflecting over y = x?

Back

(2, -3)

Front

What are the coordinates of point A(-3, 2) after rotating clockwise 270°?

Back

(3, 2)

Front

A double reflection over the x- and y-axes is the same as a ____________ of ______.

Back

Rotation of 180 Degrees

Front

What is the result of translating triangle JRB with vertices J(1, -2), R(-3, 6), and B(4, 5) by 〈2,-1〉 and then reflecting over the y-axis?

Back

(-3, -3), (1, 5), (-6, 4)

Front

What is a transformation in which a second transformation is performed on an image of a first transformation called?

Back

Composition of transformation

Front

What is a glide reflection?

Back

A reflection followed by a translation.

Front

What is the effect of reflecting a point over the x-axis?

Back

The y-coordinate changes sign.

Front

What is the effect of reflecting a point over the y-axis?

Back

The x-coordinate changes sign.

Front

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

Back

(y, -x)

Front

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

Back

(-x, -y)