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Naddik [55]
4 years ago
11

Write a linear function that passes through (1,5) and (2,15)

Mathematics
1 answer:
Leokris [45]4 years ago
5 0
Simple,

using \frac{y1-y2}{x1-x2} =m (slope)

find your slope...

\frac{5-15}{1-2} = \frac{-10}{-1}=10

thus, 10=m (slope)

Now, using y=mx+b to find your equation, plug in what you know...

Use any of the 2 coordinates.. (1,5)

5= 10(1)+b

5=10+b
-10 -10

-5=b

Thus, the equation to your line is...

y=10x-5.
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