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sukhopar [10]
3 years ago
7

What is the equation of the line in slope -intercept from that is perpendicular to the line y=3/4x-2 and passes through the poin

t (-12,10) ?
Mathematics
1 answer:
pochemuha3 years ago
6 0

The Slope-intercept form of the equation of a line is given by:


y=mx+b \\ \\ where \ m \ is \ the \ slope \ and \ b \ is \ the \ y-intercept


There is a line that is perpendicular to the line we are looking for, so the slope is:

m_{1}=\frac{3}{4}


For two perpendicular lines it is true that:


m_{1}m_{2}=-1 \\ \\ \therefore \frac{3}{4}m_{2}=-1 \\ \\ \therefore m_{2}=-\frac{4}{3}


m_{2} is the slope of the line we are looking for.


Therefore we have that:


y=-\frac{4}{3}x+b \\ \\ For \ the \ point \ (-12,10) \\ \\ 10=-\frac{4}{3}(-12)+b \\ \\ \therefore b=-6


Finally, our line is:


\boxed{y=-\frac{4}{3}x-6}


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