What is a vector?
Adding, Subtracting, Scalar Multiplying Vectors

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•
Mathematics
•
12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A quantity that has both magnitude and direction.
2.
FLASHCARD QUESTION
Front
What is a scalar?
Back
A quantity that has only magnitude and does not require direction.
3.
FLASHCARD QUESTION
Front
How do you find the resultant vector of two vectors?
Back
By adding the corresponding components of the vectors.
4.
FLASHCARD QUESTION
Front
If vector a = (4, -5) and vector b = (-7, 4), what is a + b?
Back
(-3, -1) is the resultant vector.
5.
FLASHCARD QUESTION
Front
What is the formula for scalar multiplication of a vector?
Back
Multiply each component of the vector by the scalar.
6.
FLASHCARD QUESTION
Front
If vector a = (4, -5), what is 2a?
Back
(8, -10) is the result of scalar multiplication.
7.
FLASHCARD QUESTION
Front
What is the result of 2a - 3b if a = (4, -5) and b = (-7, 4)?
Back
(29, -22) is the result.
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