Recent content by Brenda Jones

Q. The point 'C' is the point on 'AB' such that 'AC:CB' is 2:3. Given that 'OA'=a and 'OB'=b, find 'OC' Simplify your answer. ok, i got: AC = 2/5 CB = 3/5 BA = -b+a BC = -3/5b + 3/5a OB = +b OA = +a OC=OB+BC = b - 3/5b + 3/5a = 4/5b + 3/5a