Podcast
Questions and Answers
Rational expression is the quotient of two _________
Rational expression is the quotient of two _________
polynomials
The set of real numbers for which an algebraic expression is defined is the _________ of the expression
The set of real numbers for which an algebraic expression is defined is the _________ of the expression
domain
Because rational expressions indicate division and division by zero is undefined, we must exclude numbers from a rational expression’s _________ that make the denominator zero
Because rational expressions indicate division and division by zero is undefined, we must exclude numbers from a rational expression’s _________ that make the denominator zero
domain
Excluding Numbers from the Domain: Find all the numbers that must be excluded from the domain of each rational expression: $4x^2 - 9$
Excluding Numbers from the Domain: Find all the numbers that must be excluded from the domain of each rational expression: $4x^2 - 9$
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Simplify: $\rac{x^3 + x^2},{x+1}$
Simplify: $\rac{x^3 + x^2},{x+1}$
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