If you were to solve the following systems of equations by using a matrix, which of the following would be your coefficient matr
ix? 5x-y=18 3x+8y=15 (picture as everything in it for better understanding)
A.[5 3,-1 8]
B.[5 -1,3 8]
C.[5 18,3 15]
D.[5 -1 18,3 8 15]
A.[5 3,-1 8]
B.[5 -1,3 8]
C.[5 18,3 15]
D.[5 -1 18,3 8 15]
2 answers:
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Given:
second term = 18
fifth term = 144
The nth term of a geometric sequence is:
Hence, we have:
Divide the expression for the fifth term by the expression for the second term:
Substituting the value of r into any of the expression:
Hence, the explicit rule for the sequence is: