Questions:
1. Solve the equation by graphing.
2x-3y=12
3y-2x=-12
is this equation independent inconsistent or dependent?
2. Solve the equation by graphing.
3x-y=4
3x-y=0
is this equation independent inconsistent or dependent?
3. Solve using the substitution method.
3y=x+5
3x-9=-10
is this equation independent inconsistent or dependent?
4. Solve using the substitution method.
x=1/8y-1
y=1/4x+39
is this equation independent inconsistent or dependent?
5. Solve by the addition method
x+3(y-1)=11
2(x-y)+8y=28
is this equation independent inconsistent or dependent?
6. Solve by the addition method
1/3x-1/6y=1/3
1/6x+1/4y=0
is this equation independent inconsistent or dependent?
7. Solve the compound equality. state the solution set using interval notation to graph it
1/3x > 2 and 1/4x > 2