Line 1 passes through the points (4, 6) −− and (12,2). Line 2 passes through the points (6, 2 ) −− and (2,0 ) − . Do the lines intersect? 
Directions: Complete the following steps on a separate sheet of paper. Be sure to show all of your work:
            
            
        Directions: Complete the following steps on a separate sheet of paper. Be sure to show all of your work:
Answers
                    Answered by
            oobleck
            
    just calculate the slope of each line
Line 1 has slope -1/2
Line 2 has slope 1/2
since the slopes are different, the lines are not parallel.
So, they must intersect.
Of course, you could just plot the points, draw the lines, and extend them to see that they intersect.
    
Line 1 has slope -1/2
Line 2 has slope 1/2
since the slopes are different, the lines are not parallel.
So, they must intersect.
Of course, you could just plot the points, draw the lines, and extend them to see that they intersect.
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