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What is a recursive formula?

Back

A recursive formula defines the terms of a sequence using previous terms. It specifies how to calculate the next term based on one or more preceding terms.

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What is an explicit formula?

Back

An explicit formula provides a direct way to calculate the nth term of a sequence without needing to know the previous terms.

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How do you identify a sequence from its terms?

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To identify a sequence, look for a pattern in the terms, such as a common difference (arithmetic) or a common ratio (geometric).

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What is the domain of a function?

Back

The domain of a function is the set of all possible input values (x-values) for which the function is defined.

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What is the difference between used and new video games in terms of pricing?

Back

New video games typically cost more than used video games, which are sold at a lower price due to prior ownership.

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How do you set up an equation based on a word problem?

Back

Identify the variables, translate the problem into mathematical expressions, and set up an equation that represents the situation.

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What is the formula for calculating the total cost of items?

Back

Total Cost = (Number of Used Games × Price of Used Game) + (Number of New Games × Price of New Game).

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How can you determine the number of items you can buy with a budget?

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Divide your total budget by the price of the item to find out how many items you can afford.

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What is the measure of an angle in a triangle?

Back

The sum of the interior angles in a triangle is always 180 degrees.

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What does it mean if there is 'not enough information' to solve a problem?

Back

It means that the given data does not provide sufficient details to arrive at a definitive answer.