Flashcards
Matrix Algebra - AQA FP4
Cards in this deck (18)
- 1How do you state the order of a matrix?Rows then columns.
- 2Under what circumstances can matrices be added and subtracted?If they have the same order.
- 3How do you multiply two matrices?Multiply the rows by the columns.
- 4What is the non-commutativity of matrix multiplication?AB =/= BA
- 5What happens when you multiply a matrix by the identity matrix?The matrix stays the same.
- 6How do you transpose a matrix?You switch the rows and the columns.
- 7What matrix represents a rotation 90 degrees anticlockwise about O?
- 8What matrix represents a rotation 90 degrees clockwise about O?
- 9What matrix represents a rotation 180 degrees about O?
- 10What matrix represents a reflection in the x-axis?
- 11What matrix represents a reflection in the y-axis?
- 12What matrix represents a reflection in y=x?
- 13What matrix represents a stretch of sf a in the x-axis and sf b in the y-axis?
- 14What matrix represents a shear, of sf a, parallel to the x-axis?
- 15What matrix represents a shear, of sf a, parallel to the y-axis?
- 16What does the matrix BA represent?Transformation A followed by transformation B.
- 17What matrix represents a reflection in the plane: A) x=0 B) y=0 C) z=0
- 18What matrix represents a reflection in the plane: A) x=y B) y=z C) z=x
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- Description
- Flashcards to help memorise key facts and transformation matrices from the chapter.
- Created by
- kcogman
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