Date: 5.0 Worksheet (2...

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Name:_______________ Date:_______________ 5.0 Worksheet (2 pages) Simplify the following Rational Expressions….make sure answers are in FACTORED FORM. 1. (+) 2. (+)(βˆ’) + 3. βˆ’ βˆ’ 4. + + 5. (βˆ’) (βˆ’) 6. (βˆ’) 7. (βˆ’) + 8. βˆ’ (βˆ’) (βˆ’) 9. βˆ’ βˆ’+ 10. ++ βˆ’βˆ’ 11. βˆ’ βˆ’ 12. +βˆ’ βˆ’βˆ’

Transcript of Date: 5.0 Worksheet (2...

Name:_______________ Date:_______________

5.0 Worksheet (2 pages) Simplify the following Rational Expressions….make sure answers are in FACTORED FORM.

1. π’™πŸ(𝒙+𝟐)

πŸ”π’™πŸ“ 2.

(𝒙+𝟐)(π’™βˆ’πŸ‘)

𝒙+𝟐 3.

π’‰βˆ’πŸ

πŸβˆ’π’‰

4. 𝒙+𝟐

𝒙+𝟐 5.

πŸ’π’™(πŸπ’™βˆ’πŸ)

πŸ“π’™(πŸ‘π’™βˆ’πŸ) 6.

πŸ–(π’Œβˆ’πŸ‘)

πŸ”π’Œ

7. 𝟐(π’™βˆ’πŸ‘)

πŸπ’™+πŸ• 8.

βˆ’πŸ”π’™πŸ“π’šπŸ(π’™βˆ’πŸ)

πŸ‘π’™πŸ“π’š(π’™βˆ’πŸ) 9.

π’ŽπŸβˆ’πŸ—

π’ŽπŸβˆ’πŸ”π’Ž+πŸ—

10. πŸ”π’™πŸ+πŸ“π’™+𝟏

πŸπ’™πŸβˆ’πŸ“π’™βˆ’πŸ‘ 11.

π’‘πŸβˆ’πŸ‘πŸ”

π’‘βˆ’πŸ” 12.

πŸ‘π’‚πŸ+πŸ“π’‚βˆ’πŸ

π’‚πŸβˆ’π’‚βˆ’πŸ”

Name:_______________ Date:_______________

Multiplying and Dividing Rational Expressions…make sure answers are in FACTORED FORM.

13. πŸπŸ”π’™πŸ‘π’š

πŸ‘π’™πŸβˆ™πŸπŸ•π’š

πŸ’π’™πŸ 14.

π’Žβˆ’πŸ•

π’Žβˆ’πŸβˆ™π’ŽπŸβˆ’πŸ’

π’Žβˆ’πŸ• 15.

π’‚πŸβˆ’πŸπŸ”

πŸπ’‚+πŸ–βˆ™

𝒂+πŸ’

π’‚πŸ+πŸ–π’‚+πŸπŸ”

16. π’ŽπŸβˆ’πŸ”π’Ž+πŸ—

πŸ”βˆ™

πŸ—

(π’Žβˆ’πŸ‘)𝟐 17.

πŸ—π’‘π’πŸ‘

πŸ’π’ŽπŸβˆ™πŸπŸπ’ŽπŸ‘

πŸ”π’‘π’ 18.

πŸ”π’ŽπŸπ’

πŸ–βˆ™

𝟏

πŸπŸ–π’Žπ’

19. π’™πŸβˆ’πŸ‘πŸ”

π’™πŸβˆ’πŸ’πŸ—Γ·

𝒙+πŸ”

π’™βˆ’πŸ• 20.

πŸ‘π’šπŸ‘βˆ’πŸπŸ•π’š

πŸπ’šπŸ+πŸ“π’šβˆ’πŸ‘Γ·

πŸ—π’šπŸ

πŸ’π’šπŸβˆ’πŸ 21.

π’‚πŸβˆ’πŸ“π’‚+πŸ”

πŸ’Γ·

π’‚βˆ’πŸ‘

πŸπŸ”

22. π’™πŸ+𝒙

πŸ”π’™+𝟏𝟐÷

π’™πŸβˆ’πŸ

π’™πŸβˆ’πŸ’ 23.

π’™πŸβˆ’πŸπŸ”

πŸπ’™+πŸ–Γ·

π’™πŸβˆ’πŸπ’™βˆ’πŸ–

π’™πŸβˆ’π’™βˆ’πŸ” 24.

π’™πŸ βˆ’ πŸπŸ“

πŸπ’™ + πŸπŸŽβˆ™π’™πŸ + πŸ“π’™ + πŸ”

π’™πŸ βˆ’ πŸ‘πŸ”Γ·

𝒙 + πŸ‘

πŸπ’™ + 𝟏𝟐

Name:_______________ Date:_______________

5.1 Worksheet (2 pages) Find the SUM or DIFFERENCE.

a. π‘₯2+3π‘₯

π‘₯+2+

2π‘₯+6

π‘₯+2 b.

7π‘₯+3

π‘₯2βˆ’1βˆ’

6

π‘₯βˆ’1

c. 7π‘₯+3

π‘₯2βˆ’1βˆ’

6π‘₯+4

π‘₯2βˆ’1

d. 6𝑦+13

𝑦2βˆ’4π‘¦βˆ’21βˆ’

π‘¦βˆ’2

𝑦2βˆ’4π‘¦βˆ’21

e. 4π‘₯

π‘₯2+9π‘₯+18+

5

π‘₯+6

f. 3π‘Ž+6

π‘Ž2βˆ’16βˆ’

7

6π‘Ž+24

Name:_______________ Date:_______________

Simplify Each Complex Fraction.

g.

1

𝑦2βˆ’1

1+1

𝑦

h. 25

π‘Žβˆ’π‘Ž

5+π‘Ž

i. 4+

12

2π‘₯βˆ’3

5+15

2π‘₯βˆ’3

j. π‘₯

3π‘₯βˆ’2π‘₯

9π‘₯2βˆ’4

Name:_______________ Date:_______________

5.2 Worksheet (2 pages) Solve each Rational Equation. Make sure to include all restrictions on Domain and

Check solutions for any extraneous solutions.

1. 1

6π‘˜2=

1

3π‘˜2βˆ’

1

π‘˜ 2.

𝑏+6

4𝑏2+

3

2𝑏2=

𝑏+4

2𝑏2 3.

1

π‘₯=

6

5π‘₯+ 1

4. 1

𝑣+

3𝑣+12

𝑣2βˆ’5𝑣=

7π‘£βˆ’56

𝑣2βˆ’5𝑣 5.

1

π‘š2βˆ’π‘š+

1

π‘š=

5

π‘š2βˆ’π‘š 6.

1

π‘›βˆ’8βˆ’ 1 =

7

π‘›βˆ’8

7. 1

π‘Ÿβˆ’2+

1

π‘Ÿ2βˆ’7π‘Ÿ+10=

6

π‘Ÿβˆ’2 8. 1 =

𝑣+2

π‘£βˆ’4+

7π‘£βˆ’42

π‘£βˆ’4 9.

π‘Ÿβˆ’4

5π‘Ÿ=

1

5π‘Ÿ+ 1

Name:_______________ Date:_______________

10. 1 +π‘₯2βˆ’5π‘₯βˆ’24

3π‘₯=

π‘₯βˆ’6

3π‘₯

11. 1 =1

π‘₯2+2π‘₯+

π‘₯βˆ’1

π‘₯

12. 𝑛+5

𝑛+8= 1 +

6

𝑛+1 13.

π‘Ÿ+5

π‘Ÿ2βˆ’2π‘Ÿβˆ’ 1 =

1

π‘Ÿ2βˆ’2π‘Ÿ

14. π‘Žβˆ’2

π‘Ž+3βˆ’ 1 =

3

π‘Ž+2 15.

5

𝑛3+2𝑛2=

4

𝑛+2+

1

𝑛2

Name:_______________ Date:_______________

5.3 Worksheet (2 pages) Given the following Rational Functions. Identify the asymptotes, domain, and range of each function.

a) 𝒇(𝒙) =πŸ“

𝒙+πŸ’ b) π’ˆ(𝒙) =

πŸ–

π’™βˆ’ πŸ‘

c) 𝒇(𝒙) =𝟐

𝒙+πŸ”βˆ’ 𝟐 d) 𝒉(𝒙) =

βˆ’πŸ‘

π’™βˆ’πŸ+ πŸ“

e) π’ˆ(𝒙) =πŸ“

𝒙 f) 𝒓(𝒙) =

βˆ’πŸ

π’™βˆ’πŸ+ πŸ’

g) 𝒃(𝒙) =πŸ‘

πŸπ’™βˆ’πŸ’ h) π’Ž(𝒙) =

𝟐

πŸ’π’™+πŸβˆ’ πŸ•

Name:_______________ Date:_______________

Graph each function. State the Domain and Range.

i) 𝒇(𝒙) =πŸ‘

π’™βˆ’πŸ•βˆ’ πŸ–

j) 𝒉(𝒙) =βˆ’πŸ”

𝒙+πŸ’βˆ’ 𝟐

k) π’ˆ(𝒙) =πŸ‘

π’™βˆ’ πŸ“

l) π’Ž(𝒙) =βˆ’πŸ

𝟏

πŸ’π’™βˆ’πŸ

+ 𝟐

Name:_______________ Date:_______________

5.4 Worksheet (1 page) For the following Functions, find (if they apply to the function):

a) the vertical asymptote(s)

b) the horiztonal/slant asymptotes

c) the holes

1. 𝑓(π‘₯) =2π‘₯

π‘₯2βˆ’1 2. π‘š(π‘₯) =

π‘₯2βˆ’5π‘₯+6

π‘₯2βˆ’4π‘₯+3

3. 𝑔(π‘₯) =8

π‘₯2βˆ’π‘₯βˆ’6 4. 𝑓(π‘₯) =

π‘₯2+11π‘₯+18

2π‘₯+1

5. β„Ž(π‘₯) =π‘₯2βˆ’9

2π‘₯2+1 6. 𝑏(π‘₯) =

π‘₯βˆ’4

π‘₯2βˆ’3π‘₯

Name:_______________ Date:_______________

5.5 Worksheet (2 pages) For the following Functions, find (if they apply to the function):

a) the 𝒙-intercepts, and π’š-intercepts

b) the vertical asymptote(s)

c) the horiztonal/slant asymptotes

d) the holes

e) any additional points needed

f) then, graph each function

7. 𝑓(π‘₯) =2π‘₯

π‘₯2βˆ’1

8. π‘š(π‘₯) =π‘₯2βˆ’5π‘₯+6

π‘₯2βˆ’4π‘₯+3

Name:_______________ Date:_______________

9. 𝑔(π‘₯) =8

π‘₯2βˆ’π‘₯βˆ’6

10. 𝑓(π‘₯) =π‘₯2+11π‘₯+18

2π‘₯+1

11. β„Ž(π‘₯) =π‘₯2βˆ’9

2π‘₯2+1

12. 𝑏(π‘₯) =π‘₯βˆ’4

π‘₯2βˆ’3π‘₯

Name:_______________ Date:_______________

5.6 Worksheet (2 pages) Solve Each Rational Inequality. Write answers in interval notation.

1. 3 βˆ’4

π‘₯>

5

4π‘₯ 2.

5

3π‘Žβˆ’

3

4π‘Ž>

5

6

3. π‘₯βˆ’2

π‘₯+2+

1

π‘₯βˆ’2>

π‘₯βˆ’4

π‘₯βˆ’2 4.

3

4βˆ’

1

π‘₯βˆ’3>

π‘₯

π‘₯+4

Name:_______________ Date:_______________

5. π‘₯

5+

2

3<

3

π‘₯βˆ’4 6.

π‘₯

π‘₯+2+

1

π‘₯βˆ’1<

3

2

7. βˆ’7

π‘₯+5≀ βˆ’

8

π‘₯+6 8.

(π‘₯+7)(π‘₯βˆ’3)

(π‘₯βˆ’5)2> 0

9. Upper Level…..Extra Credit

Solve 1+

9

π‘₯+20

π‘₯2

1βˆ’25

π‘₯2

=π‘₯+4

π‘₯βˆ’5