A. Which of the following is a linear inequality in two variables? Write YES OR
NO.
1. X + 7 < 0
2. 2x² - y <3
3. 5x 2 y + 8
4. YS 3x - 7
5. x + y > 9
6.+ y s7
7. 5x + 2 >9
8. y> 5x + 4
9. x + 2x2 + 3x - 1> 0
10.12× - 6y <3
NO.
1. X + 7 < 0
2. 2x² - y <3
3. 5x 2 y + 8
4. YS 3x - 7
5. x + y > 9
6.+ y s7
7. 5x + 2 >9
8. y> 5x + 4
9. x + 2x2 + 3x - 1> 0
10.12× - 6y <3
Answers & Comments
Answer:
1.yes
2.yes
3.no
4.yes
5.no
6.yes
7.no
8.no
9.yes
10.yes