A line passes through (−1, 5) and (1, 3). Which answer is the equation of the line? x + 2y = 7 x + 2y = 5 x + y = 4 x + y = 2
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1
given points (-1,5) and (1,3)
slope of the line is 3-5/1+1
=-2/2
=-1
but equation of the line is y-y1 =m(x-x1)
y-3=-1(x-1)
y-3=-x+1
x+y-4
slope of the line is 3-5/1+1
=-2/2
=-1
but equation of the line is y-y1 =m(x-x1)
y-3=-1(x-1)
y-3=-x+1
x+y-4
Answered by
2
slope = -1 slope of a line (-a/b)
substitute in y-y1=m(x-x1)
u get answer
substitute in y-y1=m(x-x1)
u get answer
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