(a)
To find: Solve the equations simultaneously by an algebraic method, either substitution or elimination. Write the conclusion.
(a)

Answer to Problem 53E
The system has no solution.it is an inconsistent system.
Explanation of Solution
Given information:
The given system of equation is
Concept used: Elimination method to find the solution of system is used.
Calculation:
The given equations are:
Multiply equation (1) by
Now add equation
Elimination gives an equation that is always false. Hence the system has no solution.
Now check the condition of inconsistency that is if there is a system of equation
Then the system is inconsistent and represent parallel line if:
Check this condition with the given system of equation it gives:
The system of equation satisfies the above condition of inconsistency hence the system has no solution.
(b)
To find: The solution of the equation of system by graph.
(b)

Answer to Problem 53E
The system is consistent
Explanation of Solution
Given information:
The given system of equation is
Calculation:
To draw the graph of the equation
The graph of the above equation is given below.
As it is clear from the graph that two lines are parallel hence there is no solution of this system of equation has no solution.
Chapter 0 Solutions
CALCULUS-W/XL ACCESS
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