For this case we have the following vectors: a = 3i + 8j b = -0.5i - 4j Using product point we have: a.b = (3i + 8j). (- 0.5i - 4j) a.b = (3) * (- 0.5) + (8) * (- 4) a.b = -1.5 + -32 a.b = -33.5 Answer: The point product is given by: a.b = -33.5 B. -33.5
