bob231280
18.12.2020 •
Mathematics
Given the point (3,-4) & slope = 2, what is the equation of the line?
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Ответ:
Step-by-step explanation:
So use the point slope formula: y-y1=m(x-x1)
substitute y1 and x1 with the points and m with the slope: y-(-4)=2(x-3)
y+4=2(x+3).
This is Point-slope form.
you can go on if you want: y+4=2x+6(I multiplied 2 by x and 3)
subtract 4 from both sides: y=2x+2
This is slope-intercept form.
Ответ: