Asked by anna
use substitution method/linear combinations to solve then tell how many solutions they have
-7x+7y=7 and 2x-2y=-18
-7x+7y=7 and 2x-2y=-18
Answers
Answered by
Damon
These lines are parallel. They have the same slope. They never intersect and there is no solution.
You can tell immediately if you arrange them in the form
y = m x + b
m = 7/7 = 2/2 = 1
You can tell immediately if you arrange them in the form
y = m x + b
m = 7/7 = 2/2 = 1