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cluponka [151]
3 years ago
6

Which of the following equations describe the line (-6, 2) (-1, -4)? (Graph below)

Mathematics
1 answer:
notsponge [240]3 years ago
8 0
I notice that all the choices are written in Point-Slope Formula. This is a key factor in answering your question. 

So usually we solve for slope, plug into point-slope form, then solve for slope intercept.

We only have to do the first 2 steps: 

Formula for slope: \frac{y2-y1}{x2-x1}
Plug in values: \frac{-4-2}{-1-(-6)} =  \frac{-6}{5}
Slope: - \frac{6}{5}
Point-slope formula: y - y1 = m(x-x1) where m is equivalent to slope. 
Plug in values: y -2 =  -\frac{6}{5}(x + 6) 


We can also rewrite the equation like this using the other coordinates. 

Plug in value: y + 4 = - \frac{6}{5}(x + 1)
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