common difference = d = -2
a1 =-2
a2 =-4
a3 =-6
an=a1+d(n-1)
a12 = -2 + (-2)(12-1) = -2 -2(11) =-2 -22 =-24
a12 =-24
a4 =-8
a5=-10
a6=-12
a7=-14
a8=-16
a9=-18
a10=-20
a11=-22
a12=-24
Johairalany N.
asked • 10/01/21What is the 12th term of the sequence -2,-4,-6,...........-100?
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