Classify the system and determine the number of solutions. (Check all that apply. ) {7x - y = -11 3y = 21x + 33 infinitely many solutions independent consistent no solution inconsistent dependent
now it makes more sense
solve both for y, you will see it is the same line
It would be easier if you wrote it so they both say Ax+Bx=C: 7x - y = -11 -21x + 3y = 33 Then you can solve for x or y.
If the number you get equals each other, then there is an infinite number of equations (like 3=3), and if you get 2 number that do not equal each other (like 5=8), then it will be no solution. If you get y=___ or x=_____ then there is one solution (like x=6, y=3). Consistent is where the numbers are the same (infinite # of solutions) Inconsistent is where there is no solutions. Dependent is where there is the same # on both sides (infinite # of solutions) and independent is when you get x=_____ or y=_____.
okay i think i get it
Join our real-time social learning platform and learn together with your friends!