Dilations Warm Up

Dilations Warm Up

Assessment

Flashcard

Mathematics

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a dilation in geometry?

Back

A dilation is a transformation that alters the size of a figure but not its shape, using a scale factor.

2.

FLASHCARD QUESTION

Front

What does the notation (x, y) → (kx, ky) represent in dilations?

Back

This notation represents a dilation where each coordinate (x, y) of a point is multiplied by a scale factor k.

3.

FLASHCARD QUESTION

Front

If a triangle is dilated by a scale factor greater than 1, what type of transformation occurs?

Back

An enlargement occurs when a triangle is dilated by a scale factor greater than 1.

4.

FLASHCARD QUESTION

Front

If a triangle is dilated by a scale factor less than 1, what type of transformation occurs?

Back

A reduction occurs when a triangle is dilated by a scale factor less than 1.

5.

FLASHCARD QUESTION

Front

How do you find the coordinates of a point after dilation?

Back

Multiply the original coordinates of the point by the scale factor.

6.

FLASHCARD QUESTION

Front

What are the coordinates of point C (3, -1) after a dilation by a scale factor of 2?

Back

The coordinates of point C' would be (6, -2).

7.

FLASHCARD QUESTION

Front

What is the scale factor if the original point C (3, -1) is dilated to C' (1.5, -0.5)?

Back

The scale factor is 0.5.

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