Chapter Vocabulary • branch
• discontinuous graph
• combined variation
• inverse variation
complex fraction
joint variation
continuous graph
non-removable
discontinuity
. oblique asymptote
• point of discontinuity
• rational equation
• rational expression
• rational function
reciprocal function
• removable discontinuity
simplest form
Choose the correct term to complete each sentence.
1. When the numerator and denominator of a rational expression are polynomials with
no common factors, the rational expression is in ?.
2. If a quantity varies directly with one quantity and inversely with another, it is a(n) ?
3. A(n)? has a fraction in its numerator, denominator, or both.
4. Ifa is a zero of the polynomial denominator of a rational function, the function has
a(n) ? at x = a.
5. A(n)? of the graph of a rational function is one of the continuous pieces of its graph.