Domains of Rational Expressions

If your assigned number is:

Your first rational expression is

Your second rational expression is

1

a² + 2a – 10
–11a

2x – 8
x² – x

2

y² + 11y + 30
y + 5

5a – 3
a² – 49

3

u² + u – 72
3u – 15

2w – 1
w² – 9

4

x² – 6x – 55
x² – 3x – 28

b – 3
4b² – 16

5

16b² – 1
2b² + 11b – 6

c² + 2c – 10
10c² – 80c + 160

6

4w² – 9
–5w

y² – 4
2y² + y – 1

7

a² + 6a + 9
a – 10

t² + 2t – 10
t² – 6t + 8

8

81m² – 16
5m + 10

22x + 11
2x² – x

9

3a² + 16a + 5
a² – 7a + 10

b² + 7b + 10
b² – 9

10

4x² – 1
6x – 18

r² + 2r – 24
r – 2

11

t² – 14t + 49
4t – 8

3q² – 22q + 24
q² – 1

12

v² – v – 20
v² + 4v + 3

6t – 3
t

13

n² – 2n – 15
n – 2

8k + 6
8k² + 2k – 3

14

64k² – 9
2

s² + 2s – 15
s² – 36

15

4k² – 12k + 9
4k

3w² + 36
2w – 8

16

5m² + m
m + 6

12a – 15
5a – 25

17

7t² – 14t
4t² – 9

36 – w²
w

18

22x + 11
x² – 3x – 10

1 – 2c
20c² + 10c

19

20c³ + 5c2 – c
7c – 14

3a² – 12a
24a² – 18a

20

g² – 36
6g² + 15g

7n – 2
4n² – 25

21

1 – 2x + x²
x² – 1

2c² + 5c – 25
14c – 21

22

144 – w²
8 – 2w

z² – 8z + 16
–12

23

4 + 16n²
n – 8

3x² – 2x – 1
x² – 81

24

y² – 25
–6y

37
2p – 4p²

25

a² – 100
a² + 5a + 6

3b² – 9
b – 8

26

1 – x²
x² + 10x + 25

2u – 2
1 – u

27

3z + 3
3z

5y³ – 75y
2y² + y – 15

28

9 – 36x²
8

15k² – 5k
k² – k – 30

29

x² – 7x + 12
5x

w² – 9w – 36
16w² – 1

30

m² + 13m + 40
6m

4y – 3
25y² – 4

31

k² – 8k
17

2b + 1
3b² – 12

32

9b² + 3
41

2x – 6
10x² + 5x

33

15x² + 45
50x

42
m² – 3m

34

g² + 46g
g

3k + 1
k² + k – 42

35

4a – 5
14

4m³ +16m
3m² – m

36

x² – 25
23

b² – 18b + 81
3b² – 12

37

9m² – 4
23

5x + 15
x² – 49

38

d² + 9
33

m² + 4m – 5
5m² + m

39

13n² – 13n
6n

2w + 1
9w² – 1

40

4x³ – 16
x

14
2b² – 8

41

x² + 2x – 10
3x

2x – 8
x² – 7x + 10

42

x² + x – 72
24

5b – 3
b² – 4

43

w² + 11w + 30
7w

2n – 1
4n² – 9

44

g² – 6g – 55
g

k³ + k
k² – k – 42

45

16t² – 1
64

x² + 2x – 10
3x – 15