{-3x - y= -10
{ 4x - 4y = 8
Solve the system by graphing
1.D
2.A (-4, -3)
3.B September
4.C -2x - y = 9 3x - 4y = -8 is (Independent)
5.B 12x + 3y = 12 y = -4x +5 (Inconsistent)
Algebra U1 L3 Linear Systems Review
@ Connection solving systems & @ Hi have different questions than me
My answers
1. D (graph)
2. C, (-3, -5)
3. B, (0, -2)
4. B, y < x -1
y ≤ -2x + 2
change the first to
3x + y = 10
and the second to
x - y = 2
see http://www.wolframalpha.com/input/?i=plot+3x+%2B+y+%3D+10+%2C+x-y%3D2
Connection solving systems is correct!
Connection solving systems is 100% correct
1D
2 D
3A
4 B
5 C
6 B