sanchezhailey4702
08.01.2021 •
Mathematics
The equation for line s can be written as y = -8/7x - 4. Line t, which is perpendicular to line s, includes the point (10, 9). What is the equation of line t?
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Ответ:
y=-8/7x-4
from, m1m2=-1
-8/7m2=-1
m2=7/8
again from, m=(y-y1)/(x-x1)
7/8=(y-9)/(x-10)
8(y-9)=7(x-10)
8y-72=7x-70
8y=7x-70+72
8y=7x+2
therefere,
y=7/8x+1/4
Ответ: