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High School Mathematics - 25.9 Position Vector of a Point   Directions: Answer the following.
 Q 1: Find the condition that the vectors a = ki + 3j and b = 4i+kj, (k not equal to 0) are parallel.k = 0k2 = 12k = 6 Q 2: Find the vector in the direction of the vector -i+2j+2k that has magnitude 7.7(-i+2j+2k)/3i-j+k-3i+2j Q 3: Find the vector joining the initial point P(-4,2) and terminal point Q(0,-4) 4i+6j8i-6j4i-6j Q 4: Find the unit vector in the direction of P(1,2,3) towards Q(4,5,6).6i+5j+2k(i+j+k)/Ö38j-2k Q 5: Find a unit vector in the direction from P(3,2) towards Q(5,6).2i+3i/Ö5 + 2j/Ö54i+5 Q 6: Find a unit vector parallel to the sum of vectors a = 2i+4j-5k, b = i+2j+3k8i+4j-3k3/7i + 6/7j - 2/7 k2-i8 Q 7: Find the vector with initial point P(6,-2) and terminal point Q(4,-8).-2i+10j6i-9j8i+2j Q 8: Find the unit vector in the direction of of P(1,2) and Q(4,5).(i+j)/Ö23i-2j2i+5j Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!