Transformations Review

Front

What are similar figures?

Back

Similar figures have the same shape but different sizes.

Front

What is the notation for translating a figure 2 units right and 5 units up?

Back

(x, y) --> (x + 2, y + 5)

Front

If point M (-3, 5) is translated using the rule (x, y) --> (x - 1, y), what are the coordinates of M'?

Back

(-4, 5)

Front

What is a reflection in geometry?

Back

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

Front

What is the result of reflecting a point (x, y) over the X-axis?

Back

The coordinates become (x, -y).

Front

What is the result of reflecting a point (x, y) over the Y-axis?

Back

The coordinates become (-x, y).

Front

What are the coordinates of point I' if triangle GHI is reflected across the x-axis and I is at (6, -2)?

Back

(6, 2) because the y-coordinate changes sign.

Front

What does it mean to translate a figure in geometry?

Back

To translate a figure means to slide it in a straight line from one position to another without changing its shape or size.

Front

What is the difference between translation and reflection?

Back

Translation moves a figure without changing its orientation, while reflection flips it over a line.

Front

How do you determine if two figures are similar?

Back

Two figures are similar if their corresponding angles are equal and their corresponding sides are in proportion.