Khan Academy Static

Given a specific value for one of the variables in a two-variable linear inequality (or system of inequalities), learn how to find the corresponding range of values for the other variable. For example, given that x=3, what are the possible values for y in 2x+y<1 ?

3208_Constraining_solutions_of_two_variable_inequalities.html

3209_Constraining_solutions_of_systems_of_inequalities.html