Geometry - Transformations

Front

What is the rule for rotation of 270 degrees?

Back

(x, y) --> (-y, x)

Front

What is the new location of Triangle A after a 270° counterclockwise rotation?

Back

Triangle B

Front

Apply the rule (x,y) --> (y,-x) to the point (-5,6). What is the result?

Back

(6,5)

Front

Write the rule for the translation that moves a point 2 units right and 1 unit down.

Back

(x + 2, y - 1)

Front

What is another term for a turn in geometry?

Back

Rotation

Front

What is a transformation in geometry?

Back

A change in position, size, or shape of a figure.

Front

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

Back

(x, y) --> (x, -y)

Front

What is the rule for a translation that moves a point 3 units left and 4 units up?

Back

(x - 3, y + 4)

Front

What is the effect of a 90-degree clockwise rotation on the point (x, y)?

Back

(y, -x)

Front

What is the effect of a reflection over the y-axis?

Back

(x, y) --> (-x, y)