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Kagome_gurl8

  • 3 years ago

Write in standard form, an equation of the line passing through the given point with the given slope. slope = –8; (–2, –2)

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  1. Kagome_gurl8
    • 3 years ago
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    8x + y = –18 –8x + y = –18 8x – y = –18 8x + y = 18

  2. Australopithecus
    • 3 years ago
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    use y=mx + b where, m = slope b = y-intercept (the y-intercept is the point where x = 0)

  3. Australopithecus
    • 3 years ago
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    Just sub the slope that is given, and the x and y value of the point and solve for b. Remember a point in this case is defined as (x,y)

  4. Australopithecus
    • 3 years ago
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    once you have solved for b just sub along with the slope into the equation y = mx + b remember the y value is the output and the x value is the input, so they are changing the slope and y-intercept are constants

  5. Australopithecus
    • 3 years ago
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    any questions?

  6. Kagome_gurl8
    • 3 years ago
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    So it would be B?

  7. Australopithecus
    • 3 years ago
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    lol yes, wow they might as well have given you the answer

  8. Kagome_gurl8
    • 3 years ago
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    Yay!

  9. Australopithecus
    • 3 years ago
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    I hope you still go through the problem even though the answer is so evident to understand why it is correct

  10. Kagome_gurl8
    • 3 years ago
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    I do and will. :)

  11. Australopithecus
    • 3 years ago
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    -8(-2) + b = (-2) b = -16 - 2 b = -18 y = (-8)x + (-18)

  12. Australopithecus
    • 3 years ago
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    y + 8x = -18

  13. Australopithecus
    • 3 years ago
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    so no it is not b sorry I read the answers wrong ha I'm half asleep

  14. Kagome_gurl8
    • 3 years ago
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    It happens to the best of us. :)

  15. Australopithecus
    • 3 years ago
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    but yeah I hope you follow what I'm saying this stuff is important

  16. Australopithecus
    • 3 years ago
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    even though it may not at the moment seem interesting or relevant

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