Scale factor and dilations

Scale factor and dilations

Assessment

Flashcard

Mathematics

8th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, a quantity. In dilations, it determines how much larger or smaller a figure will be compared to the original.

2.

FLASHCARD QUESTION

Front

What happens to a figure when the scale factor is greater than 1?

Back

The figure undergoes an enlargement, making it larger than the original.

3.

FLASHCARD QUESTION

Front

What happens to a figure when the scale factor is less than 1?

Back

The figure undergoes a reduction, making it smaller than the original.

4.

FLASHCARD QUESTION

Front

How do you express a dilation with a scale factor of 1?

Back

The figure remains unchanged; (x, y) goes to (x, y).

5.

FLASHCARD QUESTION

Front

If the scale factor is 2, how do you write the algebraic notation?

Back

(x, y) goes to (2x, 2y).

6.

FLASHCARD QUESTION

Front

What is the algebraic notation for a scale factor of 1/2?

Back

(x, y) goes to (1/2x, 1/2y).

7.

FLASHCARD QUESTION

Front

What is the effect of a negative scale factor?

Back

A negative scale factor reflects the figure across the origin, in addition to scaling it.

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