1003061208

SubArea: 
Plane geometry
Level: 
A
Project ID: 
1003061208
Accepted: 
1
Clonable: 
0
Easy: 
0
We are given a straight line q={[1+3t;2−2t], t∈R}. Specify the value of a parameter a such that the line 5x+ay+1=0 is parallel to q.
a=7.5
a=2.5
a=−7.5
a=−2.5