Unit 4 Vocabulary Rational

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Across
  1. 2. the point at which the graph crosses the x-axis (also called the zeros)
  2. 5. when two or more fractions have the same denominator
  3. 8. a line that a curve approaches, as it heads towards infinity.
  4. 10. a root of a transformed equation that is not a root of the original equation because it was excluded from the domain of the original equation.
  5. 11. allow us to create functions defined over numbers that work for our purposes
  6. 12. the set of all input values (x-values) that satisfy the given function without restriction
  7. 14. where the value of the function f(x) decreases with an increase in the value of x
  8. 15. the point at which the graph crosses the y-axis
Down
  1. 1. where the value of the function f(x) increases with an increase in the value of x
  2. 3. an equation in which two ratios are set equal to each other
  3. 4. a rational expression that has a fraction in its numerator, denominator or both
  4. 6. a function that can be written as a polynomial divided by a polynomial
  5. 7. the point at which a mathematical function is no longer continuous.
  6. 9. behavior the behavior of the graph as x approaches positive or negative infinity
  7. 13. the set of all outputs of a relation or function; the set of y-values for which a function is defined