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8 December, 15:20

Katie started a SnapChat account last week. She started out with 3 followers and gained 2 new followers a day. Write an equation to model this situation. What is the slope (#) and what does it represent? What is the y-intercept (#) and what does it represent?

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Answers (2)
  1. 8 December, 17:15
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    Y equals 2x plus 3

    The slope represents the followers gained per day.

    The y-intercept represents the followers she had in the beginning
  2. 8 December, 18:26
    0
    Total no. of followers = y

    No. of days = x

    Equation-

    y=2x+3.

    Using equation y=mx+c,

    m=2 and c=3

    So slope of the line is 2 which shows the no. of followers added every day.

    y intercept is 3, representing the initial no. of followers.
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