Word Problems 10/26

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What is a word problem in mathematics?

Back

A word problem is a mathematical problem that is presented in the form of a narrative or story, requiring the reader to extract relevant information and formulate a mathematical equation to find a solution.

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How do you set up an equation from a word problem?

Back

Identify the variables, translate the words into mathematical expressions, and set up an equation based on the relationships described in the problem.

Front

What does the variable 'x' typically represent in word problems?

Back

The variable 'x' often represents an unknown quantity that you need to solve for in the context of the problem.

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions, showing that one is greater than, less than, or not equal to the other.

Front

How do you solve a linear equation?

Back

To solve a linear equation, isolate the variable on one side of the equation using inverse operations, such as addition, subtraction, multiplication, or division.

Front

What is the importance of identifying the total in a word problem?

Back

Identifying the total helps to set up the equation correctly, as it provides a reference point for the quantities involved in the problem.

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What does 'per hour' indicate in a word problem?

Back

'Per hour' indicates a rate of change or payment that is calculated for each hour of work or activity.

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How do you interpret the phrase 'after how many years' in a word problem?

Back

This phrase typically indicates that you need to find the number of years it will take for a certain condition to be met, often involving growth or accumulation.

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What is the significance of the initial amount in a savings problem?

Back

The initial amount is the starting point from which growth or accumulation occurs, and it is crucial for setting up the equation.

Front

How do you represent a situation where you need to find a minimum value?

Back

You can represent it using an inequality, indicating that the expression must be greater than or equal to the minimum value.