Write the explicit formula for the geometric sequence.
a1 = -5 a2 = 20 a3 = -80
1 answer:
An = a1 * r^(n-1)
a1 = first term = -5
r = common ratio = -4
so ur formula is : an = -5 * -4^(n-1) <==
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Answer: I need more evindence to answered it but I say its the third one
Step-by-step explanation:
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(x-2)(x+14)
Solve for x
x-2=0
x=2
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x=-14
