All of the following are true, EXCEPT.
a. The boundary line of y> 2x +3 is a solid line. e
c. 2x + y21 is a linear inequality.
b. The boundary line of x + 3y s 5 is a solid line. 2
d. (1, 1), is a solution of x + y > 1
a. The boundary line of y> 2x +3 is a solid line. e
c. 2x + y21 is a linear inequality.
b. The boundary line of x + 3y s 5 is a solid line. 2
d. (1, 1), is a solution of x + y > 1
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Answer
D. (1, 1), is a solution of x + y >1
Explanation
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