pur answer. Write your answers on the space provided. 1. Which of the following is NOT a symbol of linear inequality? B. > A. < C. D. = 2. What is the graph of linear inequality? A. half plane B. half of parabola C. parabola D. straight line 3. Which of the following shows linear inequality in two variables? A. 6a - 7a = 12 B. k + 3 < 8 - 2k C. 3s < 4. +s D. 12m > 3n - 15 4. Which of the following inequalities is the same as “the sum of 2x and y is at least 20”? A. 2x + y 2 20 B. 2 x + y > 20 C. 2x + y = 20 D. 2x + y < 20 5. Which of the following is true about the graphical solutions of a linear equation in two variables? A. It has no solution. C. It has only two solutions. B. It is a set of points on a line. D. It is a region of points bounded by a line. EXCEPT​