find a system where the slopes are different. ANy two lines with different slopes intersect at exactly one point.
Looks like (C)
Which of the linear systems has exactly one solution
A: -x+y=9
x-y=9
B: -x+y=9
x-y= -9
C: -x+y=9
-x-y=9
D: x-y= -9
-x+y= -9
2 answers
|1.5C-24|<=30