# which statement best describes the excluded values of a rational expression?

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## Which statement best describes the excluded values of a rational expression?

a. The number of excluded values of a rational expression cannot exceed the degree of the numerator.
b. The number of excluded values of a rational expression cannot exceed the degree of the denominator.
c. The number of excluded values of a rational expression cannot exceed the sum of the degrees of the numerator and denominator.
d. The number of excluded values of a rational expression cannot exceed the difference in the degrees of the numerator and denominator.

Answer: b. The number of excluded values of a rational expression cannot exceed the degree of the denominator.

A rational expression is a fraction in which the numerator and the denominator are polynomials. The excluded values of a rational number are that values which make d which statement best describes the excluded values of a rational expression?

### Finding Excluded Values of Rational Expressions

The domain of a rational expression is all real numbers except for those that make the denominator equal to zero. Since 7 7 77 makes the denominator 0 0 00, we must exclude this from the domain.

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### How do you simplify rational expressions?

rational expression is considered simplified if the numerator and denominator have no factors in common.

1. Step 1: Factor the numerator and the denominator.
2. Step 2: List restricted values.
3. Step 3: Cancel common factors.
4. Step 4: Simplify and note any restricted values not implied by the expression. which statement best describes the excluded values of a rational expression?

Factor the denominator of the rational expressionFind the value that makes each factor equal zero. These are excluded values of the domain of the rational expression.

How do you determine the excluded value S that will make the given expression undefined? A rational expression is undefined when the denominator is equal to zero. To find the values that make a rational expression undefined, set the denominator equal to zero and solve the resulting equation. Example: 0 7 2 3 x x − Is undefined because the zero is in the denominator.

How can you determine the excluded values in a product or quotient of two rational expressions? a product or quotient of two rational expressions? You can multiply and divide rational expressions in much the same way that you multiply and divide fractions. Values that make the denominator of an expression zero are excluded values.

Secondly What is the excluded value 0 1? An excluded value of an expression is the value of a variable where the expression is not defined. For example, a fraction is not defined when its denominator is zero. So the excluded value of the fraction 1x is x=0 . which statement best describes the excluded values of a rational expression?

## How doyou knowif a number is included or excluded?

The notation may be a little confusing, but just remember that square brackets mean the end point is included, and round parentheses mean it’s excluded. If both end points are included the interval is said to be closed, if they are both excluded it’s said to be open.

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then Which statement best describes the excluded values of a rational expression? The number of excluded values of a rational expression cannot exceed the difference in the degrees of the numerator and denominator.

What are the excluded values 1? What’s an Excluded Value? Excluded values are simply that: values that are excluded, or left out. These are values that will make the denominator of a rational expression equal to 0. Remember, you’re not allowed to divide by 0, so these values are important to identify and exclude while solving.