rational

Question 1

If we are adding fractions what must we have?

Answer 1

common denominator

Question 2

If we see (x-1) and (1-x) how can we make them equivalent?

Answer 2

pull out a -1 from one

Question 3

When you multiply fractions- how do you multiply?

Answer 3

straight across the top and straigh across the bottom

Question 4

When you divide fractions you….

Answer 4

multiply by the reciprocal

Question 5

reciprocal

Answer 5

when you flip a fraction

Question 6

terms are seperated by

Answer 6

addition or subtraction signs

Question 7

When we see f-1 what does it mean?

Answer 7

we are finding the inverse we switch x and y

Question 8

When we are finding the inverse of something what do we do?

Answer 8

switch x and y solve for y

Question 9

If we are finding an inverse graph, what do we do?

Answer 9

switch x and y for all points

Question 10

When simplifying rational expressions, what is the first step

Answer 10

factor

Question 11

How do we know something is a rational expresion?

Answer 11

fractions with x as a denominator

Question 12

How do we find holes in rational expressions?

Answer 12

set the denominator=0 and whichever crosses out is the hole

Question 13

How do we find vertical asymptotes in rational expressions?

Answer 13

set the denominator=0 and whichever does not cross out is the asymptote

Question 14

How do we write vertical asymptotes

Answer 14

x=

Question 15

Is vertical up and down or side to side?

Answer 15

up and down

Question 16

Is horizontal up and down or side to side?

Answer 16

side to side

Question 17

How do we find horizontal asymptotes

Answer 17

look at the degree of the numerator and denominator

Question 18

If the numerator has a larger degree what is the horizontal asymptote?

Answer 18

there is none

Question 19

If the denominator has a larger degree what is the horizontal asymptote?

Answer 19

y=0

Question 20

What is an asymptote?

Answer 20

An invisible line your graph can never cross

Question 21

If the numerator and denominator ahve the same degree, what do we do to find the horizontal asymptote?

Answer 21

divide the leading coefficients

Question 22

How do we know which quadrants we graph a rational equation in?

Answer 22

We plot the y intercept

Question 23

How do we find a y intercept in a rational expression?

Answer 23

x=0

Question 24

How do we find the x int in a rational expression?

Answer 24

set y=0 in tghe simplified form

Question 25

If there is an asymptote at y=0, what do you know aboutg the x intercepts?

Answer 25

there are none