Where is the question? I would be more than happy to help you but you did not post a question
Answer:
y = - 6 + 2x
Step-by-step explanation:
Given
4x - 2y = 12 ( subtract 4x from both sides )
- 2y = 12 - 4x ( divide all terms by - 2 )
y = - 6 + 2x
Is this from khan academy?
the answer that you are looking for is d
The two lines are tangent to the circle at points that are 180 degrees apart.