# Homework 4: Lines and Planes

Does anyone have any insight on what I could be doing wrong here? I'm pretty sure I have everything right but MyOpenMath keeps telling me I'm wrong

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Does anyone have any insight on what I could be doing wrong here? I'm pretty sure I have everything right but MyOpenMath keeps telling me I'm wrong

## Comments

@jordan

You've dropped a -sign on your 6 in the definition of $Q$. As a result, your $P-Q$ and $(P-Q)\cdot\vec{n}$ are incorrect.