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Published byJulian Townsend Modified over 7 years ago
Inverse Variation Function – A function that can be modeled with the equation y = k/x, also xy = k; where k does not equal zero.
Inverse Variation Function - Graph
Rational Functions - Asymptotes
Rational Functions – Sketching the graph Draw all the asymptotes Determine where it is positive and negative Determine where it is Zero Sketch
Rational Expressions – Multiplication / Division Restrictions – When the denominator is zero When dividing by zero Simplify by canceling like terms (factors)
Complex Fractions – A fraction that has a fraction in the numerator or denominator
Multiplying variables on both sides of an equal sign may introduce extraneous solutions. Check for extraneous solutions by plugging into the original equation.
If rational functions are added in an equation, use the LCD to multiply all terms and “clear” the fraction
9-5 Adding and Subtracting Rationals First Column 9-6 Solving Rational Expressions First Column End at #38
9-5 Adding and Subtracting Rationals First Column
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