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Find the equation to the straight line cutting of an intercept unity fro the positive directio of Y axis and inclined at 450 to the X axis

samaira , 5 Years ago
Grade 10
anser 1 Answers
Vikas TU

Last Activity: 5 Years ago

The equation is:
y-y1= m(x-x1)
Since the angle for the line is 45, then :
m= tan45 = 1
Since it cuts the y axis at +1 , then the point (0,1) belongs to the line:
==> y-1 = 1*(x-0)
==> y= x + 1

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