SOLUTION: If m1 and m2 represent the slopes of two lines, determine if the lines are parallel, perpendicular, or neither. 7. m1 = 2 an m2 = 1/2 8. m1 = 2 and m2 = - 1/2 9. m1 = 2 and

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Question 1126724: If m1 and m2 represent the slopes of two lines, determine if the lines are parallel, perpendicular, or neither.
7. m1 = 2 an m2 = 1/2
8. m1 = 2 and m2 = - 1/2
9. m1 = 2 and m2 = -2
10. m1 = 2 and m2 = 4/2
11. m1 = 0 and m2 = undefined

Answer by math_helper(2461)   (Show Source): You can put this solution on YOUR website!
7. m1 = 2 an m2 = 1/2
Neither

8. m1 = 2 and m2 = - 1/2
Perpendicular (when m1= -1 / m2, the lines are perpendicular)


9. m1 = 2 and m2 = -2
Neither

10. m1 = 2 and m2 = 4/2
Parallel (when m1 = m2, the lines are parallel)


11. m1 = 0 and m2 = undefined
Perpendicular (this is a special case, m2 undefined means that line is vertical, and m1=0 indicates that line is horizontal)




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