3.1-3-3 Geo Flashcard

Front

What is the rule for a rotation of 360° about the origin?

Back

(x,y)→(x,y)

Front

What are the coordinates of point B' after rotating point B(6,5) 180° about the origin?

Back

(0, 0)

Front

How do you translate the point (4, -2) 5 units right and 3 units up?

Back

The new coordinates are (9, 1).

Front

What is the term for the result of a transformation?

Back

Image

Front

What are the coordinates of the point (2, -4) after reflecting over the x-axis?

Back

(2, 4)

Front

What is the transformation rule for a reflection over the x-axis?

Back

(x, y) → (x, -y)

Front

What is the transformation rule for a reflection over the y-axis?

Back

(x, y) → (-x, y)

Front

What is the transformation rule for a rotation of 90° counterclockwise about the origin?

Back

(x, y) → (-y, x)

Front

What is the transformation rule for a rotation of 180° about the origin?

Back

(x, y) → (-x, -y)

Front

What is the effect of translating a point 0 units in the x-direction and 0 units in the y-direction?

Back

The point remains unchanged.