Problem : What is the difference between a vector and a ray?A vector has finite length, whereas a ray extends in one direction without limit.
Problem : A vector has origin at (1,2) and endpoint at (-3,-4). What is the horizontal, or x-component of this vector?-4
Problem : How many vectors are needed to form the coordinate plane?An infinite number. Vectors have finite length--therefore it requires an infinite number of vectors to form the coordinate plane, which extends in all directions without limit.
Problem : A vector has origin at (-3,5) and endpoint at (0,8). What is the magnitude of this vector?= 3
Problem : . . What is 3?(,)
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