wertyong9689
21.12.2020 •
Mathematics
Write the equation of the line passing through the point (2,-1) with a slope of -3
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Ответ:
Step-by-step explanation:
We know we'll have to use the linear equation
Since
means gradient (or slope) we know that it's -3 since that's already indicated to us
All that we have to find now is b, and we can find this by plugging in the known values of x and y since we have the coordinate (2,-1)
We can plug these values in and solve for b
Therefore, in order to get the equation we just have to replace b with 5
Good luck!
Ответ:
6+5x+x+2
6x+8
Since this is a right triangle, you multiply the legs (6 and x+2) and divide by 2
6(x+2)
6x+12
/2
3x+6