Answer
0. Solving for one variable using the same algebraic methods as one would use for an equation.
,
1. If the inequality has two variables, we also have to solve for one variable and graph it in a coordinate plane.
Step-by-step explanation
One way of graphing inequalities is:
0. Solving (isolating) for one variable using the same algebraic methods as one would use for an equation.
,
1. If the inequality has one variable, then with step 1 can be graphed. However, if the inequality has two variables, we also have to solve for one variable and graph it in a coordinate plane.
For example,
Solving for y:
Then, we would have to graph the line:
where the y-intercept (the point where the line crosses the y-axis) is -3, and the slope is 3. Thus, we would have to draw point (0, –3), and get the others based on the line. However, as the inequality is y greater than (>) the expression, the line should be dashed, since the solution does not include values equal to the line, and we would take the values greater than that, meaning: