PC.RFR.AF.4
Use limits to describe long-range behavior, asymptotic behavior, and points of discontinuity.
Example Problems
Find .
Find
Find .
Khan Academy ResourcesReducing rational expressions to lowest termsReduce rational expressions to lowest terms: Error analysisReduce rational expressions to lowest termsDivide quadratics by linear expressions (no remainders)Divide quadratics by linear expressions (with remainders)Divide polynomials by x (no remainders)Divide polynomials by linear expressionsFactor using polynomial divisionDivide polynomials by x (with remainders)Divide polynomials by x (with remainders)Intro to long division of polynomialsReducing rational expressions to lowest termsFactoring using polynomial divisionDividing quadratics by linear expressions with remainders: missing x-termFactoring using polynomial division: missing termPolynomial division introductionDividing polynomials by linear expressionsDividing quadratics by linear expressions (no remainders)Dividing polynomials by linear expressions: missing termDividing quadratics by linear expressions with remaindersDividing polynomials by x (no remainders)

1-on-1 AI tutoring aligned to PC.RFR.AF.4. Instant help for students, real-time insights for teachers.
Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.
Free for teachers, forever →