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Stolb23 [73]
3 years ago
8

Write an equation in slope-intercept form of the line through point P(10, –9) with slope 3.

Mathematics
1 answer:
creativ13 [48]3 years ago
4 0

Answer:

<h2>y = 3x - 39</h2>

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

<em>m</em><em> - slope</em>

<em>b</em><em> - y-intercept</em>

<em />

We have the slope <em>m = 3</em> and the point P(10, -9).

Pu the value of slope and the coordinates of the point (x = 10, y = -9) to the equation of a line:

-9=3(10)+b

-9=30+b           <em>subtract 30 from both sides</em>

-39=b\to b=-39

Finally:

y=3x-39

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