Y9_U2_PB2.2

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Sequence, term-to-term rule, position-to-term rule

The nth term cannot be 5n+15 because:__________ (choose all that apply, you may choose more than one answer)

5(2)+15=25, but the second term is 22, so 5n+15 it cannot be the nth term.

5(3)+15=30, but the third term is 24, so 5n+15 it cannot be the nth term.

5n in the nth term expression means the sequence keep adding 5, not adding 2, , so 5n+15 it cannot be the nth term.

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