MAT 120 Quiz

Module 1 Check Your Understanding    

 

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  Question
1. Perform the indicated operations and simplify. (5x – 3y)2

a. 25×2 – 30xy + 9y2
b. 25×2 – 9y2
c. 25×2 – 30xy – 9y2
d. 25×2 + 9y2

 

2. Change to radical form. Do not simplify. http://student.allied.edu/uploadedfiles/Images/ec492b55-276a-405d-be3f-707eb40cb99d.gif

a. http://student.allied.edu/uploadedfiles/Images/0320482f-b624-4e1c-b4e3-fa1e7b667e4e.gif
b. http://student.allied.edu/uploadedfiles/Images/d3f0eb75-2087-4185-ab72-b45c7bd4bed6.gif
c. http://student.allied.edu/uploadedfiles/Images/f8019336-46a3-4354-8625-09fe63dc1c6d.gif
d. http://student.allied.edu/uploadedfiles/Images/9240f41f-7030-44b3-ad2c-dac9283e5e47.gif

 

3. Reduce the fraction to lowest terms.

http://student.allied.edu/uploadedfiles/Images/ad6f6af1-682e-4da5-ba7f-967ce0e3fafc.JPG

a. http://student.allied.edu/uploadedfiles/Images/ac5f1e7d-68a7-4f78-b646-1c39d8634756.JPG
b. http://student.allied.edu/uploadedfiles/Images/15aefae3-ee73-4946-bd14-75b92695031e.JPG
c. http://student.allied.edu/uploadedfiles/Images/d143dbd8-14d1-4644-b5aa-ff45d1a2b394.JPG
d. http://student.allied.edu/uploadedfiles/Images/9f811067-6be4-44d1-be56-7fd0f8b83b74.JPG

 

4. Subtract 2a2 + 6a – 6 from 7a2 – 10a – 7.

a. 5a2 – 4a – 13
b. 5a2 – 4a – 1
c. 5a2 – 16a – 1
d. 5a2 – 16a – 13

 

5. Write the expression in simplified radical form.  http://student.allied.edu/uploadedfiles/Images/54129ec9-bec0-4e2d-9a27-3c630b354dfe.gif

a. http://student.allied.edu/uploadedfiles/Images/6bed08d5-15a0-4eb8-8654-1af8aedd4cb0.gif
b. http://student.allied.edu/uploadedfiles/Images/72505287-197a-4ba8-b1f8-a64fc72b4f75.gif
c. http://student.allied.edu/uploadedfiles/Images/434cbcae-0806-44c6-ba6d-c08a993d7e88.gif
d. http://student.allied.edu/uploadedfiles/Images/8aafe083-b7af-4d5d-b75f-8ada7df0ff8c.gif

 

6. Evaluate. http://student.allied.edu/uploadedfiles/Images/6d2afd5d-5b8a-497e-9b46-293f4e40e09c.gif

a. –http://student.allied.edu/uploadedfiles/Images/6ac35f0f-d49f-4c5c-99a1-dd4b14d16aa1.gif
b. http://student.allied.edu/uploadedfiles/Images/0ad4234c-5c44-48a5-a591-c494120b3d2c.gif
c. 2
d. –2

 

7. Factor completely, relative to the integers. x2 + 7x + 8x + 56

a. (x – 7)(x – 8)
b. (x + 7)(x – 8)
c. (x + 1)(x + 56)
d. (x + 7)(x + 8)

 

8. Simplify. (2a–7b2)–5

a. http://student.allied.edu/uploadedfiles/Images/a0a0f9b1-a874-4d97-81dc-c1a6734b8ab6.gif
b. http://student.allied.edu/uploadedfiles/Images/175cf544-a014-4817-b8c4-fd4ecfb8714d.gif
c. http://student.allied.edu/uploadedfiles/Images/b22e49fa-f395-4e94-879e-3a925670ec2b.gif
d. http://student.allied.edu/uploadedfiles/Images/59977e38-5f6b-4822-a428-07aed0558c3d.gif

 

9. Write the expression in simplified radical form.  http://student.allied.edu/uploadedfiles/Images/46425a54-a5c1-4a42-9aef-b3ccb6ad463c.gif

a. http://student.allied.edu/uploadedfiles/Images/b0d19908-5f52-46c4-86b1-2e2e0fcaf80a.gif
b. http://student.allied.edu/uploadedfiles/Images/dd0794fe-fb27-4583-ade1-c96e8744f126.gif
c. http://student.allied.edu/uploadedfiles/Images/5aafbd13-1d65-445c-a6f2-44aec79d431d.gif
d. http://student.allied.edu/uploadedfiles/Images/b9aa19c2-2ccc-4075-bfe6-e1181ebc0c7e.gif

 

10. Factor completely, relative to the integers. 9×2 + 12x + 4

a. (3x + 2)2
b. (3x – 2)(3x + 2)
c. (9x + 2)(x + 2)
d. (3x + 1 )(3x + 4)

 

11. Reduce the fraction to lowest terms.

http://student.allied.edu/uploadedfiles/Images/2dd20287-7d32-4ca2-b663-560777c847d3.JPG

a. http://student.allied.edu/uploadedfiles/Images/0b790767-5ba1-4a4a-b0df-bf3e6295bf5e.JPG
b. http://student.allied.edu/uploadedfiles/Images/1ac8fb98-1973-4452-bcac-3b640c423d41.JPG
c. http://student.allied.edu/uploadedfiles/Images/9bd30817-6346-4407-9316-ce87107a1840.JPG
d. http://student.allied.edu/uploadedfiles/Images/7b5687c0-9121-4ffa-8f28-527dadea2f72.JPG

 

12. Add 2×2 – 8x – 5 and 5×2 – 4x – 10.

a. 7×2 – 12x – 15
b. 7×2 – 12x + 5
c. 7×2 + 4x – 15
d. 7×2 + 4x + 5

 

13. Simplify and express your answer using positive exponents only.  http://student.allied.edu/uploadedfiles/Images/6f7e906f-de15-494f-8ad1-014c1c5d4ec5.gif

a. http://student.allied.edu/uploadedfiles/Images/81ccd50f-a00e-4543-8fd0-668e3f0e74fa.gif
b. http://student.allied.edu/uploadedfiles/Images/22f5b9da-2213-4f27-9238-a1cb2429235f.gif
c. m24
d. m11

 

14. Evaluate the expression if it is a real number.  http://student.allied.edu/uploadedfiles/Images/42374b0c-a7dd-4d5a-a663-85ce5c246ef7.gif

a. -3
b. -9
c. -27
d. -15

 

15. Perform the indicated operations and reduce to lowest terms.

http://student.allied.edu/uploadedfiles/Images/814b978a-dbf7-4b45-89b4-c485feeee64e.JPG

a. http://student.allied.edu/uploadedfiles/Images/7bf7f96b-b766-463b-b5dc-dbf6ef31d931.gif
b. http://student.allied.edu/uploadedfiles/Images/e4753d0a-b6c5-4853-8e36-3c4ddeed1a61.gif
c. http://student.allied.edu/uploadedfiles/Images/225febcf-8347-4196-9652-ac6f0c3090c5.gif
d. http://student.allied.edu/uploadedfiles/Images/86bcf4a9-f19f-4fb9-8dc7-8aa27865b04d.gif

 

16. Change to radical form. Do not simplify. http://student.allied.edu/uploadedfiles/Images/6d7e0058-5aba-4ecf-a2e0-46837dacc917.gif

a. http://student.allied.edu/uploadedfiles/Images/80144814-8685-4187-9304-0685afa2e961.gif
b. http://student.allied.edu/uploadedfiles/Images/d6696261-f645-4d29-b609-5f35f5d19a4d.gif
c. http://student.allied.edu/uploadedfiles/Images/97c64c78-30fd-43d2-af33-da539746864e.gif
d. http://student.allied.edu/uploadedfiles/Images/39a13514-c613-4b29-a09c-db79ab9fdf22.gif

 

17. Evaluate. (–2)–2

a. 1/4
b. 1
c. 2
d. 4

 

18. Perform the indicated operations and simplify. 5x – 4x[8 – 3(x – 2)]

a. 6×2 – 3x
b. 12×2 – 51x
c. 12×2 + 5x + 6
d. 12×2 + 5x – 6

 

19. Which of the following is not a polynomial?

a. 4×3 + 5x – 1
b. 2x – http://student.allied.edu/uploadedfiles/Images/29f1c117-ef47-47f7-9613-d41d4250173c.gif
c. 3xy2 + xy
d. 24

 

20. Evaluate the expression if it is a real number.  http://student.allied.edu/uploadedfiles/Images/57048555-714c-4ec5-be3e-1773ece5edd8.gif

a. 32
b. 4
c. 64
d. 8

 

21. Simplify and express your answer using positive exponents only. -1/x-60

a. x4
b. –x60
c. http://student.allied.edu/uploadedfiles/Images/2d9383f3-c111-42d6-9b65-0be4287b654e.gif
d. http://student.allied.edu/uploadedfiles/Images/80317c51-3162-4924-859c-419eb4e70422.gif

 

22. Perform the indicated operations and reduce to lowest terms.

http://student.allied.edu/uploadedfiles/Images/669946ab-1f7f-4785-810b-6cf87ba189db.JPG

a. http://student.allied.edu/uploadedfiles/Images/0c50c0cd-b3f7-4e91-9510-531bea181e1d.JPG
b. http://student.allied.edu/uploadedfiles/Images/bbfda9dd-1e58-4114-b20e-1ef1f789c200.JPG
c. http://student.allied.edu/uploadedfiles/Images/dce68f28-60a3-48df-9d8b-f3a17df4ae09.JPG
d. http://student.allied.edu/uploadedfiles/Images/bddffa0a-00c2-49a1-ad76-dce5f636f8ea.JPG

 

23. Write the expression in simplified radical form.  http://student.allied.edu/uploadedfiles/Images/215861e1-a3a5-46c6-9701-c06741f0aaea.gif

a. http://student.allied.edu/uploadedfiles/Images/4762d60e-f596-42e4-aa72-c8af68e33db3.gif
b. http://student.allied.edu/uploadedfiles/Images/af20f7b3-020c-45c0-a43a-e336629bf0d7.gif
c. http://student.allied.edu/uploadedfiles/Images/02483fc3-d0d3-445e-ae62-7689c6307731.gif
d. http://student.allied.edu/uploadedfiles/Images/c8bd8348-6240-4981-b1d9-a8139eac583c.gif

 

24. Write the expression in simplified radical form.  http://student.allied.edu/uploadedfiles/Images/4e1ab12d-41bd-45a6-9537-930e30ed980b.gif

a. http://student.allied.edu/uploadedfiles/Images/b8da6cfe-186d-4379-81ed-52cb9ab77cc1.gif
b. http://student.allied.edu/uploadedfiles/Images/027eaf89-0fa7-4861-babb-b71b1d0d4f00.gif
c. http://student.allied.edu/uploadedfiles/Images/6f894030-f785-4e38-bb20-5893f5e6eb6c.gif
d. http://student.allied.edu/uploadedfiles/Images/e54766d1-9d36-4dc2-9334-7bebe2bc4dea.gif

 

25. Evaluate. 34

a. 81
b. 120
c. 24
d. 3

 

26. Factor completely, relative to the integers. 6b4 – 18b3 – 60b2

a. 6b2(b + 2)(b – 5)
b. 6b2(b – 2)(b + 5)
c. 6(b2 + 2)(b2 – 5)
d. b2(2b + 5)(3b + 10)

 

27. Perform the indicated operations and reduce to lowest terms.

http://student.allied.edu/uploadedfiles/Images/09e10bc3-a23f-40d4-b10e-1eb9d6e7bd91.JPG

a. –http://student.allied.edu/uploadedfiles/Images/414f58c7-e8b7-4954-ab5d-f878e8040be6.gif
b. http://student.allied.edu/uploadedfiles/Images/71d4215e-4ea9-40ab-9593-da3b0b8d9782.JPG
c. http://student.allied.edu/uploadedfiles/Images/30fa50c6-ad8d-4902-9cdd-1bad566fae6d.JPG
d. 1

 

28. Factor completely, relative to the integers. 49a2b – b3

a. (7a + b2)(7a – b)
b. b(7a + b)(7a – b)
c. b(7a – b)2
d. Prime, doesn’t factor

 

29. Simplify and express your answer using positive exponents only. (4w10)(7w6)(2w)

a. 13w60
b. 13w17
c. 56w60
d. 56w17

 

30. Change to rational exponent form. Do not simplify.  http://student.allied.edu/uploadedfiles/Images/839ae805-d9a8-421b-8fea-fdbd6ec9a6bc.gif

a. http://student.allied.edu/uploadedfiles/Images/6ea9594a-2afe-4671-a57c-c9c5ca478d5b.gif
b. http://student.allied.edu/uploadedfiles/Images/5452b951-b15c-427e-aa4f-86602dcc4af0.gif
c. http://student.allied.edu/uploadedfiles/Images/45383317-9230-41c6-a32c-84d228ef451f.gif
d. http://student.allied.edu/uploadedfiles/Images/e49b078c-e5e9-4aba-95c7-fb2cc72b8690.gif

 

31. Evaluate. (–5)4

a. 225
b. 125
c. 625
d. 25

 

32. Write 6,640,000 in scientific notation.

a. 6.64 x 106
b. 6.64 x 105
c. 66.4 x 106
d. 66.4 x 105

 

33. Factor completely, relative to the integers. x2 + 36

a. (x – 6)(x + 6)
b. (x + 1)(x + 36)
c. (x + 6)2
d. Prime

 

34. Perform the indicated operations and reduce to lowest form. Represent any compound fractions as simple fractions reduced to lowest terms.

http://student.allied.edu/uploadedfiles/Images/092cdad1-b0ba-45b7-b39f-91621f56d800.JPG

a. http://student.allied.edu/uploadedfiles/Images/43bca6b8-57d9-4802-8b3c-34c380a4538c.JPG
b. http://student.allied.edu/uploadedfiles/Images/2e82eb7f-1992-4e6f-a79b-599ba3c44202.JPG
c. http://student.allied.edu/uploadedfiles/Images/488bb951-a83b-4ed9-b2e3-488a035a078a.JPG
d. http://student.allied.edu/uploadedfiles/Images/bc8e3eac-18d9-410e-8c99-4081d9404a1f.JPG

 

 

 

 

 

 

 

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