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elizabethann509 Group Title

I don't understand this at alllll considering my answer options. Help? Write the equation of a line with an undefined slope and point (1, 7). My answer options: A. y=7 B. x=7 C. y=1 D. x=1 This seriously makes no sense to me.

  • 2 years ago
  • 2 years ago

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  1. elizabethann509 Group Title
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    I'm not looking for an answer. I just need to know how to solve it.

    • 2 years ago
  2. jim_thompson5910 Group Title
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    Lines with undefined slopes are a) horizontal or b) vertical ???

    • 2 years ago
  3. elizabethann509 Group Title
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    ahhhh, gotcha! duhh so simple! lol thanks!

    • 2 years ago
  4. elizabethann509 Group Title
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    that explains the x and y. x is horizontal. y is vertical.

    • 2 years ago
  5. campbell_st Group Title
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    ok... so slopes go between m = 0 ( a horizontal line) |dw:1350018405797:dw| an undifined slope has a value of zero in the denominator...

    • 2 years ago
  6. jim_thompson5910 Group Title
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    kinda... Equations such as x = 2, x = 3, x =4, etc are all vertical lines (with undefined slopes) Equations such as y = 1, y = 5, y = 17, etc are all horizontal lines (with slopes of zero)

    • 2 years ago
  7. jim_thompson5910 Group Title
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    So because it has an undefined slope, its in the form x = k where k is any number

    • 2 years ago
  8. elizabethann509 Group Title
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    ohh.. wait a minute. i was thinking of something else. lol what you just said made it clearer. thanks! :)

    • 2 years ago
  9. jim_thompson5910 Group Title
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    so what value of k will make x = k go through (1, 7) ?

    • 2 years ago
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