#### 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.

ccss.hsa-sse.a.1.q.a1.hdc.2
ccss.hsa-sse.b.3.q.a1.hdc.2
ccss.hsf-bf.a.1.a.q.a1.hdc.2
hsa-sse.a.1
hsa-sse.b.3
hsf-bf.a.1.a
understanding quadratic relationships

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A. n^{2}

B. n^{3}

C. n \cdot n

D. n \cdot n \cdot n

E. n + n+ n

F. n \div 2