Transformations - 8th Grade

Transformations - 8th Grade

Assessment

Flashcard

Mathematics

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a translation in geometry?

Back

A translation is a transformation that moves every point of a figure the same distance in the same direction.

2.

FLASHCARD QUESTION

Front

How do you translate a point (x, y) right by a units and up by b units?

Back

The new coordinates will be (x + a, y + b).

3.

FLASHCARD QUESTION

Front

What is the rule for translating a point left by 3 units and down by 2 units?

Back

The rule is (x - 3, y - 2).

4.

FLASHCARD QUESTION

Front

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

Back

The y-coordinate changes sign, resulting in (x, -y).

5.

FLASHCARD QUESTION

Front

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

Back

The x-coordinate changes sign, resulting in (-x, y).

6.

FLASHCARD QUESTION

Front

What is dilation in geometry?

Back

Dilation is a transformation that changes the size of a figure but not its shape, using a scale factor.

7.

FLASHCARD QUESTION

Front

If a point (x, y) is dilated by a scale factor of k, what are the new coordinates?

Back

The new coordinates will be (kx, ky).

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