Reflections and Rotations Flashcard

Reflections and Rotations Flashcard

Assessment

Flashcard

Mathematics

8th Grade

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a translation in geometry?

Back

A translation in geometry is a transformation that moves every point of a shape a constant distance in a specified direction.

2.

FLASHCARD QUESTION

Front

How do you represent a translation mathematically?

Back

A translation can be represented as (x,y) → (x+a, y+b), where (a,b) is the vector indicating the direction and distance of the translation.

3.

FLASHCARD QUESTION

Front

What does the translation (x+2, y-9) indicate?

Back

It indicates that every point of the shape is moved 2 units to the right and 9 units down.

4.

FLASHCARD QUESTION

Front

What happens to the coordinates of a point when it is reflected over the y-axis?

Back

The x-coordinate changes to its opposite sign, while the y-coordinate remains the same.

5.

FLASHCARD QUESTION

Front

What is the rule for reflecting a point (x,y) over the y-axis?

Back

The rule is (x,y) → (-x,y).

6.

FLASHCARD QUESTION

Front

What happens to the coordinates of a point when it is reflected over the x-axis?

Back

The x-coordinate remains the same, while the y-coordinate changes to its opposite sign.

7.

FLASHCARD QUESTION

Front

What is the rule for reflecting a point (x,y) over the x-axis?

Back

The rule is (x,y) → (x,-y).

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