Concept explainers
a.
Whether the point
a.

Answer to Problem 9E
The point
Explanation of Solution
Given:
The equation
Concept Used:
For a point to be on the graph of its equation, the point has to satisfy the given equation.
That is when substitute the value of
Calculation:
For the givenequation
Substituting the point into the equation.
i.e.,
Left hand side
Right hand side
Since, left hand side is equal to right hand side which is
Therefore, the point
Conclusion:
The point
b.
Whether the point
b.

Answer to Problem 9E
The point
Explanation of Solution
Given:
The equation
Concept Used:
For a point to be on the graph of its equation, the point has to satisfy the given equation.
That is when substitute the value of
Calculation:
For the given equation
Substituting the point into the equation.
i.e.,
Left hand side
Right hand side
Since, left hand side is not equal to right hand side which is 12.
Therefore, the point
Chapter 1 Solutions
EBK PRECALCULUS W/LIMITS
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