Matrix Operations Review

Flashcard
•
Mathematics
•
12th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the result of multiplying a 6x2 matrix by a 2x12 matrix?
Back
A 6x12 matrix.
Tags
CCSS.HSN.VM.C.8
2.
FLASHCARD QUESTION
Front
What is the condition for two matrices to be added together?
Back
They must have the same dimensions.
Tags
CCSS.HSN.VM.C.8
3.
FLASHCARD QUESTION
Front
If A = [[1, 2], [3, 4]] and B = [[5, 6], [7, 8]], what is A + B?
Back
A + B = [[6, 8], [10, 12]]
Tags
CCSS.HSN.VM.C.8
4.
FLASHCARD QUESTION
Front
What is the result of B - E if B and E are matrices?
Back
B - E is not equal to E - B; matrix subtraction is not commutative.
Tags
CCSS.HSN.VM.C.8
5.
FLASHCARD QUESTION
Front
If a customer pays $64 for 3 large candles and 4 small candles, how can we express this as an equation?
Back
3x + 4y = 64, where x is the price of a large candle and y is the price of a small candle.
Tags
CCSS.HSA.CED.A.3
6.
FLASHCARD QUESTION
Front
What does the equation x + 8y = 68 represent in the context of candle pricing?
Back
It represents a second customer's purchase of 1 large candle and 8 small candles, paying $4 more than the first customer.
Tags
CCSS.HSF.LE.B.5
7.
FLASHCARD QUESTION
Front
Can you multiply a 3x2 matrix by a 6x3 matrix?
Back
No, the number of columns in the first matrix must equal the number of rows in the second matrix.
Tags
CCSS.HSN.VM.C.8
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