1. Which of the following is a linear inequality in two variables?
a. 2xy <-9
b. 5x - 12 > 3x
c. -x + 4y = 7
d. 7y - 11y = -2
2. Which of the following inequalities represent the difference of x and 2y is less than -9"?
a. x + 2y > -9
b. x + 2y <-9
C. x - 2y > -9
d. x - 2y <-9
3. For what values of x and y will make the inequality x + 5y s 2 true?
a. (-3,1)
b. (2,4)
c. (-4,8)
d. (10,-1)
4. How many solution/s does a linear inequality 3x - 4y < 7 have?
b. 1
d. infinitely many
a. 0
C. 2​