Algebra and Trigonometry, 8th edition
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Step-by-step Answer
PAGE: 92SET: ExercisesPROBLEM: 7
Please look in your text book for this problem Statement

The equation is and  .

(a)

To check the solution, substitute in the given equation.

.

Since the above statement is false, is not a solution of the given equation.

(b)

The value of .

To check the solution, substitute in the given equation. 

.

Since the above statement is false, is not a solution of the given equation.

(c)

The value of .

To check the solution, substitute in the given equation.

.

Since the above statement is true, is a solution of the given equation.

(d)

The value of .

To check the solution, substitute in the given equation.

.

Since the above statement is false, is not a solution of the given equation.

(a) is not a solution of .

(b) is not a solution of .

(c) is a solution of .

(d) is not a solution of .



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