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ellycleland16
14.12.2019 •
Mathematics
Which of the following is a correct equation for the line passing through the point (-1,-4) abd having slope m=-3
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Ответ:
point slope form y+4 = -3(x+1)
slope intercept form y = -3x-7
Step-by-step explanation:
We have a point and a slope, we can use the point slope form for the equation
y-y1 = m(x-x1)
y--4 = -3 (x--1)
y+4 = -3(x+1)
We can also manipulate the equation into slope intercept form
Distribute
y+4 = -3x -3
Subtract 4 from each side
y+4-4 =-3x-3-4
y = -3x-7
Ответ:
2929. 99
Step-by-step explanation:
18.5/100 × 15837.77
=2929.98745
to 2.dp , 2929. 99