lintiffany lintiffany

29-03-2018
Mathematics

contestada

A line containing the points (2, 16) and (-8, -4) intersects the y-axis at what point?

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jding713 jding713

29-03-2018

We first need to find the slope of this line: (-4-16)/(-8-2) = -20/-10 = 2.
We write this as slope-intercept: y = 2x + b(b is the y-intercept). Now we plug in on of the above points: 16 = 2(2) + b, and b is equal to 12.
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