QUESTION IMAGE
Question
pq and rs are parallel, perpendicular, or neither. 2. p(-3, 14), q(2, -1), r(4, 8), s(-2, -10)
| $m\left(\overline{pq}\
ight)$ | $m\left(\overline{rs}\
ight)$ | types of lines |
Step1: Calculate slope of PQ
The slope formula is $m = \frac{y_2 - y_1}{x_2 - x_1}$. For $P(-3, 14)$ and $Q(2, -1)$:
$m_{PQ} = \frac{-1 - 14}{2 - (-3)} = \frac{-15}{5} = -3$
Step2: Calculate slope of RS
For $R(4, 8)$ and $S(-2, -10)$:
$m_{RS} = \frac{-10 - 8}{-2 - 4} = \frac{-18}{-6} = 3$
Step3: Determine line type
Parallel lines have equal slopes, perpendicular lines have slopes that are negative reciprocals (product = -1). Here, $-3
eq 3$ and $(-3)(3) = -9
eq -1$, so neither.
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| $m(\overline{PQ})$ | $m(\overline{RS})$ | Types of Lines |
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