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madison111111111111
13.07.2020 •
Mathematics
12
Given that the lines 3x+4y+6=0 and 4x-
qy+3=0 are perpendicular, find the value
of q. *
(1 Point)
Solved
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Ответ:
q = 3.
Step-by-step explanation:
They are perpendicular so the product of their slopes = -1.
3x + 4y + 6 = 0
4y = -3x - 6
y = -3/4 x - 3/2
- so the slope of this line is -3/4 which makes the slope of the other line equal to - / -3/4 = 4/3.
4x - qy = -3
-qy = -4x - 3
qy = 4x + 3
y = 4/q x + 3/q
So as the slope is 4/3, we have:
4/q = 4/3
Therefore q = 3.
Ответ:
good question
Step-by-step explanation:
im wondering the same thing XD