When graphing a linear inequality in two variables, a test point is used to assist in graphing the correct result. Which of the following is a true statement about the test point? A.
The test point should be substituted into any of the forms of the inequality you have created.
B.
The test point should always be the origin.
C.
The test point must be a point in the first quadrant.
D.
The test point should not be on the boundary line of the inequality.