A1.10C - Assignment

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What is the process of simplifying a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).

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Back

5x - 12

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3x + 4

Front

Define a rational expression.

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A rational expression is a fraction where both the numerator and the denominator are polynomials.

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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 variable.

Front

What is the greatest common divisor (GCD)?

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The GCD of two or more integers is the largest positive integer that divides each of the integers without leaving a remainder.

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How do you factor a polynomial?

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To factor a polynomial, find the common factors of the terms and express the polynomial as a product of its factors.

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What is the difference between a numerator and a denominator?

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The numerator is the top part of a fraction, representing how many parts are taken, while the denominator is the bottom part, representing the total number of equal parts.

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What is the significance of negative signs in expressions?

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Negative signs indicate the opposite value; they can affect the sign of the entire expression when simplified.

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What is the process of evaluating an expression?

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Evaluating an expression involves substituting values for the variables and performing the arithmetic operations.