Vector Multiplication Using Matrices

Question 1

Which transformation matrix would result in a 300° counterclockwise rotation about the origin?

Revolt · Accepted Answer

B: mc022-2.jpg

Question 2

The transformation T = is applied the figure below. What type of transformation of triangle ABC was applied by T?

Revolt · Accepted Answer

C: reflect across the line y = –x

Question 3

Triangle ABC is shown below. Which point is the coordinate of the image of A under the transformation ?

Revolt · Accepted Answer

B: (–4, 2)

Question 4

The graph below shows the transformation from triangle 1 to triangle 2.Which sequence of steps would transform triangle 1 to triangle 2?

Revolt · Accepted Answer

A: reflect across the y-axis; rotate 180° counterclockwise about the origin

Question 5

Which sequence of steps would transform v to v’?

Revolt · Accepted Answer

C: reflect across the line y = –x; rotate 90° counterclockwise about the origin

Question 6

Which angle of rotation is determined by the matrix below?

Revolt · Accepted Answer

B: 60°

Question 7

Which angle of rotation is determined by the matrix below?

Revolt · Accepted Answer

C: 225°

Question 8

Justine reflects a vector v across the y-axis. Simonne reflects a vector v by rotating it 90° counterclockwise about the origin. Which of the following vectors has the same image for Justin and Simonne?

Revolt · Accepted Answer

A: mc023-1.jpg

Question 9

Which transformation matrix would result in a 270° counterclockwise rotation about the origin?

Revolt · Accepted Answer

B: mc021-2.jpg

Question 10

The diagram below shows rectangle ABCD.Which points are in the image of rectangle ABCD under the transformation: ?

Revolt · Accepted Answer

A: mc013-3.jpg

Vector Multiplication Using Matrices Answers

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