Index
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Find the distance between the parallel lines
Matching exercise
Match the items on the right to the items on the left.
Check
OK
3x + 4y = 12 , and 6x + 8y+1 = 0
12x + 5y = 7 and 12x + 5y+7 = 0
3x − 4y+5 = 0 and 6x − 8y − 15 = 0.
