Answer:
slope = -4, y intercept = 1
Step-by-step explanation:
For this case we have the following vectors:

The dot product of two vectors is a scalar.
The point product consists of multiplying component by component and then adding the result of the multiplication of each component.
For the product point of the vectors a and b we have:
Answer:
The product point of the vectors a and b is:
D is not equivalent
hope this helps :)
9. 2.86600.... that is all i know so far