A line passes through #(4 ,8 )# and #( 1, 5 )#. A second line passes through #( 6, 8 )#. What is one other point that the second line may pass through if it is parallel to the first line?

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Answer 1 · 2018-06-23T04:18:21

#color(blue)("One other point on the second line is " (-2, 0)#

#"Slope of line 1 " = m = (y_2 - y_1) / (x_2 - x_1) = (5-8) / (1-4) = 1#

As #2^(nd)# line is parallel to the first line, slope of second line also #1#

#"Equation of second line in point - slope form is "

#(y - 8) = 1 * (x - 6)#

#x - y = -2#

Let y = 0. Then x = -2#

#color(blue)("One other point on the second line is " (-2, 0)#