SOLUTION: Find B - A if the graph of Ax + By = 7 passes through (2,1) and is parallel to the graph of 2x - 7y = 3.

Algebra ->  Inequalities -> SOLUTION: Find B - A if the graph of Ax + By = 7 passes through (2,1) and is parallel to the graph of 2x - 7y = 3.      Log On


   



Question 987771: Find B - A if the graph of Ax + By = 7 passes through (2,1) and is parallel to the graph of 2x - 7y = 3.
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
The parallel condition means A=2 and B=-7. The point (2,1) will satisfy the given equation but not the unknown equation. No solution.

Ax+By=7 can NOT be both parallel to 2x-7y=3 AND pass through (2,1).