Practice Test (complex numbers and matrices )
Flashcard
•
Mathematics
•
9th Grade
•
Hard
+4
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a complex number?
Back
Tags
CCSS.HSN.CN.A.1
2.
FLASHCARD QUESTION
Front
What is the imaginary unit?
Back
Tags
CCSS.HSN.CN.A.1
3.
FLASHCARD QUESTION
Front
How do you add complex numbers?
Back
Tags
CCSS.HSN.CN.A.2
4.
FLASHCARD QUESTION
Front
What is the conjugate of a complex number?
Back
Tags
CCSS.HSN.CN.A.3
5.
FLASHCARD QUESTION
Front
How do you multiply complex numbers?
Back
Tags
CCSS.HSN.CN.A.2
6.
FLASHCARD QUESTION
Front
What is the modulus of a complex number?
Back
7.
FLASHCARD QUESTION
Front
What is a matrix?
Back
A matrix is a rectangular array of numbers arranged in rows and columns. It is used to represent and solve systems of linear equations.
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