1.) -3, -1, 1, 3, 5
rule: add 2
2.) ½, 3/2, 5/2, 7/2, 9/2
rule: add 2 to the numerator
3.) -24, 12, -6, 3, -1.5
rule: the half of the previous number and its opposite in terms of whether it's positive or negative
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Answers & Comments
1.) -3, -1, 1, 3, 5
rule: add 2
2.) ½, 3/2, 5/2, 7/2, 9/2
rule: add 2 to the numerator
3.) -24, 12, -6, 3, -1.5
rule: the half of the previous number and its opposite in terms of whether it's positive or negative