# Using Matrices to Complete Rotations

Instructions:

question 1 of 3

### The turning of a figure or object about a fixed point is called a:

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### 2. The shape ABC is located at (1,1), (4,0), and (-1,-1). Using matrices, rotate this shape 90 degrees in the counterclockwise direction. What are the coordinates for A'B'C?

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Rotations are just one of the operations you can perform with matrices. This quiz and worksheet combo will ask about matrices and points that can be transformed with their use as well as specific rotations.

## Quiz & Worksheet Goals

You will be asked about the following on this quiz and worksheet:

• Turning figures and objects
• Two-dimensional arrays of numbers
• Rotating shapes
• Counterclockwise vs. clockwise rotations

## Skills Practiced

• Defining key concepts - ensure you understand counterclockwise rotations
• Problem solving - use your knowledge of rotation to solve practice problems
• Information recall - remember what you have learned regarding two-dimensional rectangular array of numbers