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Sally identified the terms of the expression 9a + 4b - 18 as 9, 4, and 18. Explain her error.

Sally identified the terms of the expression 9a + 4b - 18 as 9, 4, and 18. Explain-example-1

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A term is a single mathematical expression. It may be a single number (positive or negative), a single variable (a letter), several variables multiplied but never added or subtracted. Some terms contain variables with a number in front of them. The number in front of a term is called a coefficient.

So the terms are 9a, 4b, and 18.

hope it helps!

User Mathi
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1 vote

Answer:

Explanation:

For the terms of the expression , Sally has to write coefficients with the variables

Terms: 9a , 4b , - 18

coefficient of b is = 1

Coefficient of a term is the numerical value of the variable

User Shakil Ahmed
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