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PreCalculus Complex & Vectors Test Review Vocab - 1. What is a vector? directed. segment ‘ of vechir . tw 2. What does component form tell you? hovitwol and Wrieal dist 3. What does magnitude tell you? lenght. of veoh 4, How does multiplying a vector by a scalar change the vector? same direchvn, di (1 5. What happens to a vector when multiplied by a negative scalar? oppssi fe direchw 6. What is the sum of two vectors called? nresu lant 7. What does the direction angle represent? angle from Practice. 8. Perform each operation given the following vectors: u = <4, 3> and v =<-6, 10>. sitive Y-aMls, tourtter vlockume a) 2u-v b}) Kut3v 1¢4,32-¢-4, 10> Ady 3p4+3<-l 10> <4? At lor 2 2, E54 £19, 30> M4 . |ull: (GY tena > ene 10. Determine the component form for the vector with initial point (-3, -5) and terminal point (2, 5). £2-3,5-"5 >= <5,10> 11. Determine the component form of the vector with magnitude 192 and direction angle 312°. % - Ss 48> jay 42 (28.5° 4 “ gq 6 2esp 42. > Sin 48 az yer. . 12, Determine the magnitude and direction angle of the vector <-3, -4>, ; on IM/I-\92 ton: = icorss-GaH) 
