The equation of line passing through (0, 0) with slope – 1 is [ ]
a) x + y = 0 b) x – y = 0 c) x + y = 1 d) x – y = 1
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1
Answer:
eqn. of general line is y= MX + c here c=0
so eqn. becomes y= -x
x+y=0
Answered by
1
given that the line passes through (0,0)
so here options (a) (b) are correct but the second condition is that the slope is -1
so this condition is satisfied by option (a) so that will be the answer
slope = -x coordinate/y coordinate
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