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Quizzes

1. Which best completes the following sentence? "A vector is..."→a magnitude.
2. ||<3, -1>|| =→
3. Find the direction of the vector .→
4. Which of the following does NOT represent the vector whose x-component is 3 and whose y-component is 2?→<3,2>
5. Whether a function is a vector function or scalar function depends on→both the input and the output of the function.
6. Which of the following are scalar functions? 

  1. f(x) = x2 
  2. g(x,y) = x + y 
  3. h(x,y) = ||<x,y>||
→(II) and (III)

7. Find f(4,5) where the function f is defined by f(x,y) = →<9,-1>
8. Determine which graph is the best representation of the function  for 0 ≤ t ≤ 4:

→A

9. A unit vector is→any scalar multiple of the vector <1,1>.
10. To normalize the vector , it must be multiplied by→
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