Mathematics, 16.12.2020 02:30, wyattdawes45

Each expression represents the total number of dots in a pattern where represents the step number. Select all the expressions that represent a quadratic relationship between the step number and the total number of dots. (Consider sketching the first few steps of each pattern as described by the expression.)
1,n^2
2,2n
3,nxn
4,n+n
5,n+2
6,n/2

Answers: 3

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Each expression represents the total number of dots in a pattern where represents the step number....