Unit 3 Test Review

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16

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Translate the word equation 'Twice a number decreased by 3 is equal to 9' into an algebraic equation.

Back

2x - 3 = 9

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Translate the word equation 'The quotient of a number and 4 is 10' into an algebraic equation.

Back

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x = 15

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Identify the error in the equation: 19 - 2k = 3k - 1, where they added 3k incorrectly.

Back

Instead of adding 3k they should subtract 3k.

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What does it mean to translate a word problem into an algebraic equation?

Back

It means to convert a verbal statement into a mathematical expression using variables and numbers.

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Add 3 to both sides to isolate the term with x.

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x = 40

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Subtract 10 from both sides, then multiply by 3.

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What does the term 'quotient' refer to in mathematics?

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The result of division between two numbers.