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Questions and Answers
What is the definition of a coefficient?
What is the definition of a coefficient?
- The multiplicative factor in a term (correct)
- The sum of the exponents in a term
- A value that does not change
- A term separated by a plus sign and a minus sign
What does the degree of a term refer to?
What does the degree of a term refer to?
- A value that does not change
- The result of carrying out indicated operations
- The sum of the exponents in a term (correct)
- A term separated by a plus sign and a minus sign
How do you evaluate an expression involving variables?
How do you evaluate an expression involving variables?
- Separate the terms using plus and minus signs
- Find the sum of the exponents in each term
- Replace each variable with its number and carry out indicated operations (correct)
- Multiply the terms together and then add the coefficients
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Study Notes
Algebraic Expressions
- A coefficient is a numerical value that multiplies a variable in an algebraic expression, often represented by a letter or symbol.
- The degree of a term refers to the exponent or power to which the variable is raised, indicating the number of times the variable is multiplied by itself.
Evaluating Expressions
- To evaluate an expression involving variables, substitute the given values of the variables into the expression, following the order of operations (PEMDAS: parentheses, exponents, multiplication and division, and addition and subtraction).
- Simplify the expression by combining any like terms, and perform any necessary calculations to arrive at the final result.
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