Dilation and Scale Factor Transformations

Dilation and Scale Factor Transformations

Assessment

Interactive Video

Mathematics

8th - 9th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers the concept of dilations, including enlargements and reductions, and their algebraic rules. It explains how transformations like translations, rotations, and reflections preserve congruency, unlike dilations. The tutorial includes solving word problems involving dilations of circles, triangles, and hexagons on a coordinate grid, emphasizing the importance of scale factors in determining the nature of the dilation.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the scale factor for an enlargement in a dilation?

Less than 1

Equal to 1

Negative

Greater than 1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which transformation involves sliding a shape without changing its size?

Dilation

Rotation

Translation

Reflection

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a dilation, how do you calculate the new coordinates from the old ones?

Add a constant to each coordinate

Multiply each coordinate by the scale factor

Divide each coordinate by the scale factor

Subtract a constant from each coordinate

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which transformation does not preserve the size of the figure?

Translation

Rotation

Reflection

Dilation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a circle is dilated with a scale factor greater than 1, what happens to its size?

It becomes smaller

It remains the same

It becomes larger

It disappears

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying the coordinates of a point by a scale factor of k?

The point is dilated

The point is rotated

The point is translated

The point is reflected

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a dilation problem, if the scale factor is less than 1, what type of transformation occurs?

Rotation

Translation

Reduction

Enlargement

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