SOLUTION: Given that A=< 3,1 > and B= <-2,3>, find the magnitude and direction angle for each of the following vectors. Give exact answers using radicals when possible, otherwise round to th

Question 925093: Given that A=< 3,1 > and B= <-2,3>, find the magnitude and direction angle for each of the following vectors. Give exact answers using radicals when possible, otherwise round to the nearest tenth.
1.) A+B:
2.) 1/2A-2B:
3.) -3A:

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1) (3,1)+(-2,3)=(3-2,1+3)=(1,4)
Mag:
Direction:

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2) (0.5)(3,1)-2(-2,3)=(3/2+4,1/2-6)=(11/2,-11/2)
Mag:
Direction:

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.
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3) 3(3,1)=(9,3)
Mag:
Direction:

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.

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