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19.07.2019 •
Mathematics
Write an equation of the line through(2-1) and perpendicular to 2yx-4 write the equation in the form x the one the enter your answer in the box and then click check answer parts showing i type here to search
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Ответ:
Step-by-step explanation:
Here we aer given a point (2,-1) and a line
. We are supposed to find the equation of the line passing through this point and perpendicular to this line.
Let us find the slope of the line perpendicular to![2y=x-4](/tpl/images/0106/6937/6822a.png)
Dividing above equation by 2 we get
Hence we have this equation in slope intercept form and comparing it with
We know that product of slopes of two perpendicular lines in -1
Hence if slope of line perpendicular to
is m' then
Hence the slope of the line we have to find is -2
now we have slope and a point
Hence the equation of the line will be
adding 2x and subtracting on both sides we get
Which is our equation asked
Ответ:
400
Step-by-step explanation: