Cyc2 - Qz 2 2.4/2.5

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What is the Order of Operations in mathematics?

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The Order of Operations is a set of rules that dictates the sequence in which operations should be performed in a mathematical expression. The acronym PEMDAS is often used: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

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The correct result is 7. The error in the original calculation was performing subtraction before division.

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First, calculate inside the parentheses: 9 - 4 = 5. Then square it: 5^2 = 25. Add 5: 25 + 5 = 30. Finally, divide by 6: 30 / 6 = 5.

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What is the distributive property?

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The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by each term in a sum or difference.

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What does it mean to combine like terms?

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Combining like terms means to add or subtract terms that have the same variable raised to the same power.

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No, it cannot be combined because they are not like terms.

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What is a variable in algebra?

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A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.

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What is an expression in mathematics?

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An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.