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Number Sense and Expressions

Quick questions on Arithmetic and geometric sequences - B.E.S.T. Algebra 1 EOC

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is geometric nnth term?
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an=a1⋅r n−1a_n = a_1 \cdot r^{\,n-1}.
What is q1?
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Find a8a_8 for the geometric sequence with a1=2a_1 = 2 and r=3r = 3. [2 points]
What is q2?
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Write the recursive formula for 7,4,1,−2,…7, 4, 1, -2, \dots. [1 point]

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