Stretching and Shrinking - Unit Test

Front

What is the rule for moving a figure right 5 and down 3 units?

Back

(x + 5, y - 3)

Front

What is the scale factor when resizing a shape from a larger size to a smaller size?

Back

A scale factor less than 1, such as 2/3.

Front

Two objects that are the same shape but not the same size are called what?

Back

Similar

Front

What does it mean for two shapes to be similar?

Back

They have the same shape and the same angles, but not necessarily the same size.

Front

How do you determine if two rectangles are similar?

Back

Check if the ratio of corresponding sides are equal.

Front

What is the ratio of the short side to the long side of a rectangle with sides 8 and 12?

Back

8/12

Front

What is the scale factor from a shape with a side length of 6 to a shape with a side length of 9?

Back

3/2

Front

If a shape is enlarged by a scale factor of 2, what happens to its area?

Back

The area increases by a factor of 4 (2^2).

Front

What is the definition of congruent shapes?

Back

Shapes that are the same size and shape.

Front

If the ratio of the sides of two triangles is 3:4, what can be said about their similarity?

Back

They are similar if their corresponding angles are equal.