Let and be two nonvertical straight lines in the plane with equations and , respectively. Find conditions on , , , and so that and intersect at one and only one point.
A) and
B) and
C) and

Question

Let  and  be two nonvertical straight lines in the plane with equations  and  , respectively. Find conditions on  ,  ,  , and  so that  and  intersect at one and only one point. ​
A) and 
B) and 
C) and

Quizplus · Accepted Answer

The Answer of Let  and  be two nonvertical straight lines in the plane with equations  and  , respectively. Find conditions on  ,  ,  , and  so that  and  intersect at one and only one point. ​
A) and 
B) and 
C) and

Let and Be Two Nonvertical Straight Lines in the Plane