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Activity 3: Rotation.

Authored by Rinchen Dorji

Mathematics

9th Grade

Used 3+ times

Activity 3: Rotation.
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What is the angle of rotation when a shape makes quarter turn?

270 degrees

360 degrees

90 degrees

180 degrees

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

If a point is rotated 180 degrees counterclockwise around the origin, what are the new coordinates?

The new coordinates are (y, x)

The new coordinates are (-x, -y)

The new coordinates are (x, -y)

The new coordinates are (x, y)

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Which direction does a clockwise rotation follow?

Down

Left

Right

Up

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

In mapping notation, what does (x, y) -> (-y, x) represent?

(-y, -x)

90-degree clockwise rotation

(-x, -y)

90-degree counterclockwise rotation

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

After a 90 degrees counterclockwise rotation around origin, what are the new coordinates of the point (2, -3)?

(-2, 3)

(3, 2)

(-3, -2)

(2, 3)

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What is the result of a 180 degrees clockwise rotation of a rectangle?

Circle

Rectangle

Square

Triangle

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What are the coordinates after a 180 degrees clockwise rotation around origin of the point (4, 5)?

(4, -5)

(5, -4)

(-5, 4)

(-4, -5)

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