Compositions

Question 1

up and rightup and left✔ down and rightdown and left

Revolt · Accepted Answer

C: down and right

Question 2

Pentagon ABCDE is translated using the translation rule T(3, –4). The coordinates of A’ will be (, ). The coordinates of C’ will be ( , ).

Revolt · Accepted Answer

Part 1: 2; Part 2: 0; Part 3: -2; Part 4: -2

Question 3

ABCD is rotated about the origin. The image after the rotation is A’B’C’D. What is the rule for this rotation?

Revolt · Accepted Answer

D:

Question 4

(–4, 0)(4, 0)✔ (0, –4)(0, 4)

Revolt · Accepted Answer

C: (0, –4)

Question 5

Question 5

Revolt · Accepted Answer

D: (3, 3)

Question 6

Triangle ABC is rotated 90 degrees about the origin to form triangle A’B’C’. Which composition of transformations on triangle ABC will result in a triangle in the same position as triangle A’B’C’?

Revolt · Accepted Answer

B: ry-axis ry = x

Question 7

Triangle ABC is transformed by a rotation about the origin, and then a translation. The first transformation is a rotation of degrees. The second transformation is a translation that moves units left and units down.

Revolt · Accepted Answer

Part 1: 180; Part 2: 2; Part 3: 5

Question 8

The composition ry-axisT(0, 2) is used to transform a triangle having a vertex at (0, 1). Describe how to find the coordinates of the image of this vertex.

Revolt · Accepted Answer

Perform the transformations from right to left. First, rotate the triangle 90 degrees. Negate the ycoordinate and then switch the coordinates to get (1, 0). Next, perform the translation up by adding 0 to the xcoordinate and 2 to the ycoordinate to get (1, 2). Finally, reflect this point over the yaxis by negating the xcoordinate to get (1, 2).

Question 9

–6–5 5✔ 6

Revolt · Accepted Answer

D: 6

Question 10

Question 10

Revolt · Accepted Answer

90277

Compositions Answers

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