Q. 64.1( 13 Votes )

Find the equation

Answer :


Given: The y - intercept = - 2.


The line passes through ( - 1,5).


Formula to be used: y = mx + c where m is the slope of the line and c is the y - intercept.


The equation of the line is y = mx + ( - 2) = mx - 2.


Now, this line passes through ( - 1,5).


5 = m( - 1) - 2 = - m - 2 i.e. m = - (5 + 2) = - 7


y = ( - 7)x + ( - 2) = - 7x - 2 i.e.7x + y + 2 = 0


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