Name:    Section-01-03-Coordinate Transforms

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

A video visual effects animator creates an animation by translating a logo using a coordinate description. Write a rule for the translation of logo 1 to logo 2.

 a. (x, y) (x + 6, y – 5) c. (x, y) (x – 6, y + 5) b. (x, y) (x + 5, y – 6) d. (x, y) (x – 5, y + 6)

2.

 Point N (2,9) is on  .  A translation moves point N to its image N’(6, 3).What is the distance, in units, between any point on and its image?

 a. c. b. d.

3.

Consider Quadrilateral ABCD defined by the coordinates:

A: (2, 3)
B: (3, 1)
C: (- 4, 2)
D: (2, - 3)

If Quadrilateral ABCD were reflected over the x-axis, what would the coordinates of the newly created Quadrilateral Image A’B’C’D’?

 a. A: (- 2, 3)B: (- 3, 1)C: (4, 2)D: (- 2, - 3) c. A: (2, - 3)B: (3, - 1)C: (- 4, - 2)D: (2, 3) b. A: (- 2, - 3)B: (- 3, - 1)C: (4, - 2)D: (- 2, 3) d. A: (3, 2)B: (1, 3)C: (2, - 4)D: (- 3, 2)

4.

Point A’ is the reflection of  point A over the line y =2.  What are the coordinates of A’?

 a. A’(2,4) c. A’(0, - 2) b. A’(- 2, 0) d. A’(4, 2)

5.

 If the point A is located at (2, 3) and A’ is the image of A after being rotated about the origin by 90° (counter clockwise). What are the coordinates of  A’?

 a. A’( 3, – 2) c. A’( – 3, – 2) b. A’( – 3, 2) d. A’( 2, – 3)

6.

Which process stated below would result in a dilation of coordinate points to the origin by a scale factor of 0.5?

 a. Multiply only the x-coordinate by 0.5 of each point to be dilated. b. Multiply only the y-coordinate by 2 of each point to be dilated. c. Multiply both the x-coordinate and the y-coordinate by 0.5 of each point to be dilated. d. Multiply both the x-coordinate and the y-coordinate by 2 of each point to be dilated.

7.

Which process stated below would result in a translation to the up  3 of coordinate points?

 a. Add 3 to just the x-coordinate of each point to be translated. b. Subtract 3 from just the x-coordinate of each point to be translated. c. Add 3 to just the y-coordinate of each point to be translated. d. Subtract 3 from just the y-coordinate of each point to be translated.

8.

In the graph below below is represented by the equation  .  If is reflected in the y-axis, what would be the new value of x when y = 0.

 a. - 4 c. 4 b. - 2 d. 2