Engineering Board Exam Reviewer · Distance Between 2 Parallel Lines · medium

Find the distance between the parallel lines 3x+4y-10=0 and 3x+4y+15=0.

1. 25
2. 1
3. 3.57
4. 5

Answer

D. 5

Solution

d= |C1-C2|sqrt(A2+B2)=|-10-15|/5=5.

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