SOLUTION: Consider the system of equations:
x + ay = 4
ax + 9y = b
(A) For which value of a does
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Question 976020: Consider the system of equations:
x + ay = 4
ax + 9y = b
(A) For which value of a does the above system of equation have a unique solution?
(B) Find the values of a and b for which the system has MORE THAN ONE set of solutions.
Please help me, I have tried everything. Please show the steps for the answer as well. Thank you
Answer by josgarithmetic(39628) (Show Source): You can put this solution on YOUR website!
Their corresponding slopes are .
UNIQUE SOLUTION?
The slopes must be not equal.
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a can be ANY real number NOT equal to , and the system will have ONE solution; but realize, another requirement is .
MORE THAN ONE SOLUTION?
Values for a are ANY real number AND . This is that the two equations must be equivalent; they may look different but must satisfy the same line, have the same graph.
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