Straight Line

1. A.
   $\dfrac{10}{\sqrt{29}}$
2. B.
   $\dfrac{19}{2\sqrt{29}}$
3. C.
   $\dfrac{5}{\sqrt{41}}$
4. D.
   $\dfrac{10}{\sqrt{41}}$

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1. A.
   $39x - 2y + 10 = 0$
2. B.
   $39x + 2y + 10 = 0$
3. C.
   $39x + 2y - 10 = 0$
4. D.
   $39x - 2y - 10 = 0$

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1. A.
   $2x + 7y = 28$
2. B.
   $2x - 7y = 28$
3. C.
   $7x + 2y = 28$
4. D.
   $7x + 2y = 14$

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1. A.
   $x + y + 4 = 0$
2. B.
   $x + y + 4\sqrt{2} = 0$
3. C.
   $x - y + 4 = 0$
4. D.
   $x - y + 4\sqrt{2} = 0$

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1. A.
   $\left(\dfrac{37}{10}, \dfrac{-1}{10}\right)$
2. B.
   $\left(\dfrac{-1}{10}, \dfrac{37}{10}\right)$
3. C.
   $\left(\dfrac{10}{37}, -10\right)$
4. D.
   $\left(\dfrac{2}{3}, -\dfrac{1}{3}\right)$

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1. A.
   $2y = x + 8$ or $y = 9 - 2x$
2. B.
   $x + 2y = 8$ or $2x - y = 9$
3. C.
   $x + 2y + 8 = 0$ or $y - 2x = 9$
4. D.
   $2y - x + 8 = 0$ or $2x - y = 9$

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1. A.
   $-4$
2. B.
   $-10$
3. C.
   $12$
4. D.
   $18$

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1. A.
   $0$
2. B.
   $1$
3. C.
   $4$
4. D.
   $\dfrac{1}{2}$

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1. A.
   $\tan^{- 1}(2)$
2. B.
   $\tan^{- 1}(3)$
3. C.
   $\tan^{- 1}\left( \frac{1}{2} \right)$
4. D.
   $\tan^{- 1}\left( \frac{1}{3} \right)$

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1. A.
   $(5, -1)$ and $(-2, 6)$
2. B.
   $(3, 1)$ and $(-7, 11)$
3. C.
   $(9, -5)$ and $(-11, 15)$
4. D.
   $(-4, 8)$ and $(2, 2)$

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