Mathematics, 03.01.2021 05:40 Geo777
Drag and drop each pair of lines into the correct category to indicate whether the pair of lines are parallel, perpendicular, or neither.
1/7x + y = 9; y = -7x
y = 3x - 3; 12x - 4y = 12
7y = 2x + 1; 14x + 4y = 12
x - 4y = 18; y = x + 4
3x - 4y = -1; 3y = -4x + 5
Parallel Perpendicular Neither
Answers: 1
x + y = 9 and y = - 7x ( Neither ) ; lines intersect. 
= 
and 
= - 
, slopes are opposite reciprocals. 
and 
, slopes are opposite reciprocals. 
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