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dimulka [17.4K]
3 years ago
11

What is the y-intercept of the line that passes through the points (2, -1) and (-3, 9)?

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
8 0

Answer:

y- intercept: 3

Step-by-step explanation:

m = (y-y')/(x-x')

y = mx + b     b: y intercept

m = (9 - -1) / (-3 -2) = 10 / -5 = -2

b = y - mx = -1 - (-2)*2 = -1 + 4 = 3

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...

You could have also found the geometric mean which is actually quite efficient too...

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Read 2 more answers
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