Multiplicação por um escalar real

Z_1

Z_2 = k * Z_1

Z_2 = k * Z_1

Z_1 =          + (           ) i

Z_2=          *Z_1 =          +   (          ) i

Z_2 = K *  Z_1

A = Intersect(xAxis, yAxis)
B = (2, 2)
c = Circle(A, B)
u = Vector(A, B)
k = 0.6 (slider from -10 to 10, step 0.1)
C: k * B
v = Vector(A, C)
texto4: "" + (x(B))
texto3: "" + (y(B))
texto5: "" + k
texto6: "" + (x(C))
texto7: "" + (y(C))
a = false