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Description
Flashcards by Annabl92, updated more than 1 year ago
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Created by kcogman
over 8 years ago
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Copied by Annabl92
over 8 years ago
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| Question | Answer |
| How do you state the order of a matrix? | Rows then columns. |
| Under what circumstances can matrices be added and subtracted? | If they have the same order. |
| How do you multiply two matrices? | Multiply the rows by the columns. |
| What is the non-commutativity of matrix multiplication? | AB =/= BA |
| What happens when you multiply a matrix by the identity matrix? | The matrix stays the same. |
| How do you transpose a matrix? | You switch the rows and the columns. |
| What matrix represents a rotation 90 degrees anticlockwise about O? |
Image:
imgres (image/jpg)
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| What matrix represents a rotation 90 degrees clockwise about O? |
Image:
imgres-1 (image/jpg)
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| What matrix represents a rotation 180 degrees about O? |
Image:
imgres-2 (image/jpg)
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| What matrix represents a reflection in the x-axis? |
Image:
imgres-3 (image/jpg)
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| What matrix represents a reflection in the y-axis? |
Image:
images-1 (image/jpg)
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| What matrix represents a reflection in y=x? |
Image:
imgres-4 (image/jpg)
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| What matrix represents a stretch of sf a in the x-axis and sf b in the y-axis? |
Image:
imgres-5 (image/jpg)
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| What matrix represents a shear, of sf a, parallel to the x-axis? |
Image:
images-2 (image/jpg)
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| What matrix represents a shear, of sf a, parallel to the y-axis? |
Image:
images-3 (image/jpg)
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| What does the matrix BA represent? | Transformation A followed by transformation B. |
| What matrix represents a reflection in the plane: A) x=0 B) y=0 C) z=0 | |
| What matrix represents a reflection in the plane: A) x=y B) y=z C) z=x |
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