Unit 2 Pre-Cal

Question 1

Another name for a removable discontinuity

Answer 1

A hole in the graph

Question 2

Ordered Pair

Answer 2

A coordinate. ie: (x,y)

Question 3

How do you find a removable discontinuity in a Rational Function

Answer 3

when you can cancel out a factor in the numerator and denominator, a hole exists at whatever x value makes this factor a zero.

Question 4

How do you determine the roots for a Rational Function ?

Answer 4

you set the numerator equal to zero (sometimes factor) and solve for x.

Question 5

How do you determine vertical asymptotes in a Rational Function

Answer 5

you find the factors in the denominator that don’t cancel out, set them equal to zero, and solve for x.

Question 6

How do you determine Horizontal asymptotes in a Rational Function

Answer 6

Using the three rules:

Question 7

What is another name for a root?

Answer 7

A zero (because y = 0 at a root)

Question 8

How do you find the degree of a polynimial ?

Answer 8

you look at the largest exponent in the function.

Question 9

Rational Root

Answer 9

Question 10

What does “p” and “q” represent

Answer 10

p means the factors of the constant term of a polynomial

q means the factors of the leading term coefficient