(You may answer directly on this paper)
1. The following are expressions I two variables, classify
them by drawing a happy face if linear inequality,
and draw if linear equation.(sadface-happy face)
1. y = 5x + 9
2. x-2y = 32
3. 2x-y34
4. 3x + 3y <-6
5. y 3-5
6. y < 2x-5
7. x + 3y > 28
8. 3x + 2y = 10
9. 30x + 30y 825
10. 3y = x + 9​