1. Which of the following statements is not true? Choose the false statement bel

Question

1. Which of the following statements is not true? Choose the false statement below.
A. Given an inequality in the variables x and y, we can determine if the ordered pair (a,b) is a solution to the inequality by substituting the value of a in for x and b in for y. If a false statement results after this substitution, then (a,b) is not a solution to the inequality.
B. It is not possible to sketch the graph of the solution to an inequality in two variables.
C. The solution set to an inequality in two variables is the set of all ordered pairs that satisfy the inequality.
D. Given an inequality in the variables x and y, we can determine if the ordered pair (a,b) is a solution to the inequality by substituting the value of a in for x and b in for y. If a true statement results after this substitution, then (a,b) is a solution to the inequality.

Explanation / Answer

(A)

TRUE

because this is the way to determine whether (a,b) is the solution of inequality in the variables x and y

(B)

FALSE

we can sketch graph by vaying one value and determining others

(C)

TRUE

(D)

TRUE

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