Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Graphing a Rational Expression - Problem 7

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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As you know at this point in your study of math, always to find a y-intercept we let x equal zero, and to find the x-intercept(s), we let y equal zero. Rational functions are no exception- but you need to make sure you're using the reduced function to find the intercepts. Substituting x = 0 is usually straight forward. When y = 0, you can find the x-intercepts by finding the zeros of the numerator.

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