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1 vote
picture included , please help, which of the following equations describe the line shown below (1,10) and (-3,2) *check all that applies*

picture included , please help, which of the following equations describe the line-example-1
User Sukunrt
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7.9k points

2 Answers

5 votes
Slope is
\text{m}=(y_1-y_2)/(x_1-x_2)=\cfrac{10-2}{1-(-3)}
Then you use the equation

\text{y=mx+b}
Where b is the y-intercept. To find it, plug in x and y from one of the points. Say, point 1 (1,10):

10=m(1)+b
You know m (from above) and now you can solve for b.

Rearrange terms:

y-b=mx

And that will be the answer.

Make sense?
User Iono
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8.5k points
4 votes
The answer is C and D. Let me know if I'm correct. :)
User BuffK
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7.6k points