2010014606

SubArea: 
Plane geometry
Level: 
B
Project ID: 
2010014606
Source Problem: 
9000149405
Accepted: 
0
Clonable: 
1
Easy: 
0
Find all the values of the parameter c so that the distance from the point M=[1;−2] to the line −4x+3y+c=0 equals 5.
c∈{−15;35}
c∈{15}
c∈{15;25}
c∈{−5;5}