What is the result of the transformation composition $$ T_{(4, -1)} \text{ o } T_{(3, 5)} $$ ?

The combined transformation is $$ T_{(7, 4)} $$ .

What is the effect of a 180° rotation on the coordinates of a point?

The coordinates change from $$ (x, y) $$ to $$ (-x, -y) $$ .

How do you express the transformation of translating a point (x, y) by (a, b)?

The new coordinates are $$ (x+a, y+b) $$ .

What is the rule for reflecting a point across the line y = 1?

If the point is (x, y), the reflection is $$ (x, 2 - y) $$ .

What happens to the coordinates of a point when it is rotated 90° clockwise?

The coordinates change from $$ (x, y) $$ to $$ (y, -x) $$ .

What is the combined effect of two transformations: a translation followed by a rotation?

The final position is determined by applying the translation first, then the rotation.

What is the rule for reflecting a point across the line y = -x?

The coordinates change from $$ (x, y) $$ to $$ (-y, -x) $$ .

How do you find the image of a point after a transformation?

Apply the transformation rule to the original coordinates.

REVIEW 3.1, 3.2, 3.3 Flashcards

Student preview

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the arrow rule for rotating a point 180°?

Back

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

2.

FLASHCARD QUESTION

Front

How do you find the coordinates of point D' after rotating ABCD 90° counterclockwise if D is at (2, 5)?

Back

D' is at (−5, 2).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

3.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.8.G.A.3

4.

FLASHCARD QUESTION

Front

What is the reflection rule for reflecting a point across the line y = -1?

Back

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

5.

FLASHCARD QUESTION

Front

How do you find the coordinates of point B' after reflecting B(-2, -4) across the line y = x?

Back

B' is at (-4, -2).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

6.

FLASHCARD QUESTION

Front

What is the general rule for rotating a point 90° counterclockwise?

Back

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

7.

FLASHCARD QUESTION

Front

What is the general rule for reflecting a point across the x-axis?

Back

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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