Q2 Benchmark Review

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What is an independent variable?

Back

An independent variable is a variable that represents a quantity that is being manipulated in an experiment or a mathematical equation. It is the input value that determines the output.

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What is a dependent variable?

Back

A dependent variable is a variable that represents a quantity that depends on the value of the independent variable. It is the output value that is measured in an experiment or a mathematical equation.

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This equation shows that the number of floors (f) is directly proportional to time (t), with a constant of proportionality of 2.

Front

If a number is multiplied by a fraction equal to one, what happens to the number?

Back

The original number remains the same as the product.

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What does it mean for two expressions to be equivalent?

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Two expressions are equivalent if they have the same value for all values of the variables involved.

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What is the equation that represents the cost of books sold at a store if each book costs $7.20?

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What is the purpose of a table in mathematics?

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A table organizes data in rows and columns, making it easier to identify relationships between variables.

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How do you identify the dependent and independent variables from a graph?

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The independent variable is usually plotted on the x-axis, while the dependent variable is plotted on the y-axis.

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What is the significance of the constant in a linear equation?

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The constant in a linear equation represents the y-intercept, which is the value of the dependent variable when the independent variable is zero.

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This equation illustrates the distributive property, showing that multiplying a sum by a number gives the same result as multiplying each addend by that number.