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OpenStudy (anonymous):
The seventh term of the sequence -2, -6, -10, -14, ... is _____. -26 -24 -22 -20
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OpenStudy (anonymous):
this is an arithmetic progression an=a1+(n-1)d
OpenStudy (anonymous):
n is 7 a1=-2 and d is the difference between two consecutive terms...
OpenStudy (anonymous):
so -20 is not the answer
OpenStudy (anonymous):
no
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
than what will it be @ghass1978
OpenStudy (anonymous):
d=-6-(-2)=-4 just plugin the equation i gave 2...a7=a1+(7-1)(-4)...
OpenStudy (anonymous):
-26 is the answer
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