ID: MC 12.1-CEA5 ID: MC ID: MC 13.2-TH22. Instructor: Kaddour Boukaabar Program: CMAP4 Parts A_B_C_D

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1 Student: Date: Instructor: Kaddour Boukaabar Program: CMAP4 Parts A_B_C_D Assignment: Review For Math Assessment & Placement: Part B 7. Simplify: 5x 4x + 4 3x + 5x 9 = Simplify: 4x 5x + 8 x + 7x 9 = A. 8x + x + 13 B. x 9x + 13 C. x 9x 5 D. x + x 5 x@sup{}-1x-1 x@sup{}+x-1 6x@Sup{}+x+17 x@sup{}-1x+17 ID: MC 1.1-CEA5 1. Find the root. 5 1,04 A. 4 B. 5 C. Not a real number D ID: MC One factor of x 3x 10 is: One factor of x 3x 10 is: (x+5) (x-10) (x-) (x-5) A. (x + 5) B. (x 10) C. (x ) D. (x 5) ID: MC 13.-TH 1/1

2 . Change the word statement to an equation. Use x as the variable. When times a number is subtracted from 7 times the number, the result is 40. A. x + 8 x = 40 B. (x 7) = 40x C. 7x x = 40 D. x(7 x) = 40 ID: MC Perform the indicated operation. 5 5 n + n 17 15n + 8n 13 Perform the indicated operation. 5 5 n + n 17 15n + 8n 13 A. 5 6n + 17n 30 B. 7n 7 C. 5 6n + 17n 4 D. 5 6n + 10n 30-6n@Sup{5}+17n@Sup{}-30 7n@SUP{7} -6n@Sup{5}+17n@Sup{}-4-6n@Sup{5}+10n@Sup{}-30 ID: MC Simplify. 10 A. 16 B. 8 C. 8 D. 0 ID: MC /1

3 4. Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers. ( 3p s 4 ) (s 3 ) A. 3p 4 s 11 B. 9p 4 s 11 C. 9p 4 s 4 D. 9p 4 s 9 ID: MC Simplify A. 14 B. 108 C. 7 D. 1 ID: MC Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers. ( p 3 s ) 4 (s 3 ) A p s B. 16p 7 s C. 16p 7 s D p s ID: MC A security fence is to be built around a 97 m by 75 m field. What is the perimeter of the field? Fence wire will cost $ 1.77 per meter. What will the wire cost? 75 m 97 m The perimeter of the field is m. The wire will cost $. ID: /1

4 8. If 7r = 5t + 4, what is the value of t? A. B. C. D. t = 7r 4 5 t = 7r r t = 4 5 7r t = ID: MC 10.5-TH14 9. Simplify: (4x 1)(3x + 5) = A. 1x + 17x 5 B. 1x + 17x 5x C. x + 4 D. 9x + 5 ID: MC 1.3-CEA8 10. Simplify A. 31 B. 44 C. 39 D. 40 ID: MC Simplify the expression by using the order of operations. 4 7 (14 9) A. 30 B. 75 C. 93 D. 138 ID: MC /1

5 1. Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers. ( 5p 8 )( 8p 5 ) A. 40p 40 B. 40p 40 C. 40p 13 D. 40p 13 ID: MC Simplify x y z x y. Choose the correct simplified expression below. A x y z B x y z C x y z D x y z ID: Factor completely. 4 49s 169t A. 7s 13t B. 7s + 13t 7s 13t C. Prime D. 7s + 13t ID: MC Simplify the radical. Assume that all variables represent nonnegative real numbers. 64m 11 A. 8m 5 B. 8m 5 m C. 8m 6 D. 8m 4 m ID: MC /1

6 16. About 4 out of 10 people entering a community college About students will need a refresher need to take a refresher mathematics course. If there are 980 entering students, how many will probably need a mathematics course. refresher mathematics course? ID: Simplify A. 14 B. 7 C. 17 D. 108 ID: MC Complete the factoring. x 1x + 7 = (x 3)( ) A. x 9 B. x + 3 C. 3 x D. x + 9 ID: MC Find the root A. 3 B. 9 C. Not a real number D. 3 ID: MC /1

7 0. Factor completely. 4 4y 5 A. B. Prime y + 5 C. y + 5 y 5 D. y 5 ID: MC What is the value of the expression x + 3xy 4y when x = 5 and y =? A. 36 B. 36 C. 4 D. 4 ID: MC 1.1-AEA3. Use the power rules for exponents to simplify. Write the answer in exponential form. (5x 3 y 3 ) 4 A. B. C. D. 65x 1 y 1 5x 1 y 1 65x 7 y 7 5x 7 y 7 ID: MC Evaluate the polynomial. 6x + for x = 7 A. 8 B. 40 C. 84 D. 44 ID: MC /1

8 4. Find the square. ( 3 m + 7) A. B. C. D. 3 m + 4m m m m + 4m + 49 ID: MC Find the root A. Not a real number B C D. 6 ID: MC Perform the division. Write the answer with positive exponents. 4x 6 8x 4 x A. x 4 + 4x B. x 4 8x 4 C. 6x 8 D. 4x 6 + 4x ID: MC ID: MC 1.1-CEA5 ID: MC 13.-TH ID: MC /1

9 1. A. 4. A. 7x 5 x = B D. 81p16s18 5. A D. 7p1s D. t = r A. 6x + 7x B B C. 16p B. 15x y z 14. B. 3s + 5t 3s 5t 15. A. 10m 7 m B /1

10 18. B. x A. Not a real number 0. A. 7y + 6 7y 6 1. C. 80. B. 5x 4 y 6 3. D. 4. B. m 4 + 0m A C. x 8 + 5x 4 7. B. x 9x A D. (x 5). C. 7x x = C. 6n + 17n 4 3. C B. 9p 4 s D D. 16p1s /1

11 A. t = 7r A. 1x + 17x B A D. 40p C. 8x y z 14. B. 7s + 13t 7s 13t 15. B. 8m 5 m C A. x C. Not a real number 0. C. y + 5 y 5 1. C. 4. A. 65x 1 y 1 3. D /1

12 4. D. m 9 + 4m D A. x 4 + 4x 7. D. x 1x D. (x 5) 9. 5 C. 6n + 17n 4 1/1

Instructor: Kaddour Boukaabar Program: CMAP4 Parts A_B_C_D

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