Vector Operations

Flashcard
•
Mathematics, Other
•
10th Grade - University
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a vector?
Back
A vector is a quantity that has both magnitude and direction.
2.
FLASHCARD QUESTION
Front
What is the resultant vector?
Back
The resultant vector is equal to the sum of two or more vectors.
3.
FLASHCARD QUESTION
Front
How do you add two vectors graphically?
Back
To add two vectors graphically, place the tail of the second vector at the head of the first vector and draw the resultant from the tail of the first vector to the head of the second vector.
4.
FLASHCARD QUESTION
Front
What is vector subtraction?
Back
Vector subtraction involves finding the difference between two vectors, which can be done by adding the negative of the second vector to the first.
5.
FLASHCARD QUESTION
Front
If vector a = (x1, y1) and vector b = (x2, y2), how do you find a + b?
Back
To find a + b, add the corresponding components: (x1 + x2, y1 + y2).
6.
FLASHCARD QUESTION
Front
If vector a = (4, -5) and vector b = (-7, 4), what is a - b?
Back
a - b = (4 - (-7), -5 - 4) = (11, -9).
7.
FLASHCARD QUESTION
Front
What is the formula for multiplying a vector by a scalar?
Back
If vector a = (x, y) and k is a scalar, then k * a = (k*x, k*y).
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