3. There is a/an solution to inequalities. A. finite B. no C. undefined D. infinite 4. A is often used to determine the best a problem. A. system of linear equalities C. system of quadratic inequ B. system of quadratic equality D. system of linear inequalitie 5. Which among the following is the best method that can solving a system of linear inequality? A. substitution B. elimination C. trial and error D. graphi 6. Which of the following is a system of linear inequalities in variables? A. 2x+7y >7 B. 2x - 7y 52 C. 3x-y >2 D. 3x-y = x + y s2 xt y=2 x+y=2 x + y s2 7. What is the ordered pair that satisfies the system 2x - 7y 542 A. (-1,-3) B. (10.-1) C. (-4.6) D. (-2.-8)​