
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given that the pole of the polar coordinate system coincides with the origin of the rectangular coordinate system, and the polar axis coincides with the positive semi-axis of the x-axis $(.)$. If the equation of the curve $C_{1}$ is $ρ^{2}=8ρ\sin θ-15$, and the equation of the curve $C_{_{2}}$ is $ \begin{cases}x=2 \sqrt {2}\cos α \\\\ y= \sqrt {2}\sin α\end{cases}(α$ is a parameter$)$.
1) Convert the equation of $C_{1}$ into rectangular coordinates;
2) If the parameter of point $Q$ on curve $C_{_{2}}$ is $α= \dfrac {3π}{4}$, and $P$ is a moving point on curve $C_{1}$, find the minimum value of $PQ$.

Present the answer in LaTex format: \boxed{Your answer}
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