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15 June, 09:48

What is the y-intercept of the line?

x 16 24 32

y 44 64 84

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Answers (2)
  1. 15 June, 10:01
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    (0,4)
  2. 15 June, 10:18
    0
    The y-intercept of the line is 2

    Step-by-step explanation:

    You could try to find the slope of the line and then find the intercept with y axis by sloving b = y - ax

    But here it seems easy enough once you see that the x values in the table increase by a factor of 8 and the y values in the table increase by a factor of 20.

    (By the way, this is enough to give you the slope, because it is 8/20). But why bother?

    Just extrapolate the table to the left, and you will find the y value where x = 0

    x 0 8 16 24 32

    y 2 22 44 64 84

    So the y-intercept of the line is 2.

    Extra:

    The full equation of the line is:

    y = 8/20x + 2
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