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1honey

  • 3 years ago

write an equation of the line containing the given point and perpendicular to the given line (7,9);2x+y=3

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  1. polpak
    • 3 years ago
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    Do you know how perpendicular lines are related to eachother?

  2. polpak
    • 3 years ago
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    It has to do with their slopes.

  3. 1honey
    • 3 years ago
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    yes

  4. polpak
    • 3 years ago
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    How are they related?

  5. 1honey
    • 3 years ago
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    that i don't understand how

  6. polpak
    • 3 years ago
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    I will tell you. Their slops are negative reciprocals of eachother. So if line 1 has a slope \(\frac{a}{b}\) then a perpendicular line 2 would have a slope of \(\frac{-b}{a}\)

  7. polpak
    • 3 years ago
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    So what is the slope of the line you've been given?

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