Question

HOAL 1 USING THE ORDER OF OPERATIONS athematicians have established an order of operations to evaluate an pression involving more than one operation. Start with operations within uping symbols. Then evaluate powers. Then do multiplications and divisions m left to right. Finally, do additions and subtractions from left to right. XAMPLE 1 Evaluating Without Grouping Symbols aluate the expression when x = 4. . 3x² + 1 LUTION - 3x²+1=3.4² +1 = 3 16+1 = 48 + 1 = 49 b. 32x²1 - 32x²1 32 ÷ 4² - 1 = 32 16-1 = 2-1 = 1 ► ACTIVITY Developing Concepts Substitute 4 for x. Evaluate power. Evaluate product. Evaluate sum. Substitute 4 for x. Evaluate power. Evaluate quotient. Evaluate difference. men you want to change the established order of operations for an expression, 1 must use parentheses or other grouping symbols. Investigating Grouping Symbols Without grouping symbols, the expression 3.4² + 8 ÷ 4 has a value of 50. You can insert grouping symbols to produce a different value. For example: 3. (4²+8)÷4=3 (16+ 8) + 4 = 3.24 ÷ 4 = 72 ÷ 4 = 18 insert grouping symbols in the expression 3.4² +8 ÷ 4 to produce he indicated values. 1. 146 2.54 3.38
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Answer 1

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