## Question

###### Find the slopes of lines $P Q$ and $P R$ and determine whether the points $P, Q,$ and $R$ lie on the same line. (Hint: Two lines with the same slope and a point in common must be the same line.)$$P(-10,-13), Q(-8,-10), R(-12,-16)$$

Find the slopes of lines $P Q$ and $P R$ and determine whether the points $P, Q,$ and $R$ lie on the same line. (Hint: Two lines with the same slope and a point in common must be the same line.) $$P(-10,-13), Q(-8,-10), R(-12,-16)$$

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