numbers 23, 25, 27 for section 9.3

In Problems 23-28, compute ax for each vector x and scalar a. Represent x and ax in the plane, and explain graphically how you obtain ax. 2 3 23. X = and a = 2 24. X = and a = -1 1 0 3 25. X = and a = 0.5 26. X = 9 and a = -1/3 4 0.5 27. X = and a = 1/4 28. X = and a = 4 0.25