The three steps for graphing linear inequalities are consists of solving the variables, plotting the points on graph and bound the region.
How to plot inequalities?
while solving the inequalities of two variables the inequal sign are changed by equal sign for a certain time. After determining the unknown value, we plot the points on the XY axis.
why we use solid line or dashed line?
while graphing the inequal variables the region that satisfy the inequality is bounded by solid line or dashed line depends on the inequal sign.
hence, we need to plot the linear inequalities on XY axis in three steps.
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