Determine whether each number is a solution of the given inequality.
a. -1
b. 8
c. 10
a
whether the number -1 is a solution of the given inequality.
Answer to Problem 6P
-1 is not a solution of the given inequality.
Explanation of Solution
Given inequality:
Calculation:
By substituting x=- 1 in given inequality, we get
which is not true .
Therefore, -1 is not a solution of the given inequality.
b
whether the number 8 is a solution of the given inequality.
Answer to Problem 6P
8 is a solution of the given inequality.
Explanation of Solution
Given inequality:
Calculation:
By substituting x= 8 in given inequality, we get
which is true .
Therefore, 8 is a solution of the given inequality.
c
whether the number 10 is a solution of the given inequality.
Answer to Problem 6P
10 is a solution of the given inequality.
Explanation of Solution
Given inequality:
Calculation:
By substituting x= 10 in given inequality, we get
which is true .
Therefore, 10 is a solution of the given inequality.
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