This math topic focuses on identifying rules from equations for decreasing arithmetic patterns. The problems present various arithmetic sequences in the form of algebraic expressions and ask students to determine the correct rule that describes the sequence. Each problem offers multiple choice answers which involve subtraction or operations that modify the starting term to identify how each term in the sequence is derived from the previous one. This allows learners to practice and develop their skills in recognizing patterns, understanding arithmetic operations in sequences, and applying algebraic knowledge to practical problems.
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Find the rule that describes this pattern equation