*
3. Solve by substitutions:
(-9,-6)
O (-3,0)
O (-1,2)
O (-3, 6)
13 points
y = x + 3
2x + y = -6
4. What is true about the equations
of an inconsistent linear system?
12 points
Their slopes are the same, but their y-
intercepts are different.
Their slopes are different, but their y-
intercept are the same.
Their slopes are dif ent, and their y-
intercept are different.
Their slopes are the same, and their y-
intercept are the same.