9000149405

SubArea: 
Plane geometry
Level: 
B
Project ID: 
9000149405
Source Problem: 
2010014606
Accepted: 
1
Clonable: 
1
Easy: 
0
Find all the values of the parameter c so that the distance from the point M=[2;−1] to the line 3x+4y+c=0 is 5.
c∈{−27;23}
c∈{25}
c∈{5;25}
c∈{−25;25}