Written Instructions:
For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..
For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.
Leave your answers in the simplest form or correct to two decimal places.
| 1) Add the following expressions: 8W2 + 5W + 3 , 23W2 - 19W - 29 W2 W
Answer:_______________ |
| 2) Add the following expressions: 4R2 + 8R + 5 , 8R2 - 14R - 28 R2 R
Answer:_______________ |
| 3) Add the following expressions: 4X2 + 7X + 9 , 17X2 - 28X - 22 X2 X
Answer:_______________ |
| 4) Add the following expressions: 8T2 + 10T + 6 , 16T2 - 24T - 20 T2 T
Answer:_______________ |
| 5) Add the following expressions: 13O2 + 7O + 7 , 17O2 - 14O - 27 O2 O
Answer:_______________ |
| 6) Add the following expressions: 7U2 + 9U + 4 , 23U2 - 21U - 19 U2 U
Answer:_______________ |
| 7) Add the following expressions: 12S2 + 9S + 4 , 12S2 - 15S - 27 S2 S
Answer:_______________ |
| 8) Add the following expressions: 8E2 + 4E + 11 , 18E2 - 29E - 24 E2 E
Answer:_______________ |
| 9) Add the following expressions: 4M2 + 6M + 11 , 22M2 - 22M - 29 ___M2 ___M
Answer:_______________ |
| 10) Add the following expressions: 17X2 + 8X + 4 , 6X2 - 27X - 17 X2 X
Answer:_______________ |
| 1) Add the following expressions: 8K2 + 5K + 3 , 23K2 - 19K - 29 Answer: 31K2 Answer: -14K Answer: -26 SOLUTION 1 : ( 8K2 + 5K + 3 ) + ( 23K2 - 19K - 29 ) = (8K2 + 23K2) + (5K - 19K) + (3 - 29) = (8 + 23) K2 + (5 - 19) K + (3 - 29) = 31K2 -14K -26 |
| 2) Add the following expressions: 4A2 + 8A + 5 , 8A2 - 14A - 28 Answer: 12A2 Answer: -6A Answer: -23 SOLUTION 1 : ( 4A2 + 8A + 5 ) + ( 8A2 - 14A - 28 ) = (4A2 + 8A2) + (8A - 14A) + (5 - 28) = (4 + 8) A2 + (8 - 14) A + (5 - 28) = 12A2 -6A -23 |
| 3) Add the following expressions: 4E2 + 7E + 9 , 17E2 - 28E - 22 Answer: 21E2 Answer: -21E Answer: -13 SOLUTION 1 : ( 4E2 + 7E + 9 ) + ( 17E2 - 28E - 22 ) = (4E2 + 17E2) + (7E - 28E) + (9 - 22) = (4 + 17) E2 + (7 - 28) E + (9 - 22) = 21E2 -21E -13 |
| 4) Add the following expressions: 8Z2 + 10Z + 6 , 16Z2 - 24Z - 20 Answer: 24Z2 Answer: -14Z Answer: -14 SOLUTION 1 : ( 8Z2 + 10Z + 6 ) + ( 16Z2 - 24Z - 20 ) = (8Z2 + 16Z2) + (10Z - 24Z) + (6 - 20) = (8 + 16) Z2 + (10 - 24) Z + (6 - 20) = 24Z2 -14Z -14 |
| 5) Add the following expressions: 13O2 + 7O + 7 , 17O2 - 14O - 27 Answer: 30O2 Answer: -7O Answer: -20 SOLUTION 1 : ( 13O2 + 7O + 7 ) + ( 17O2 - 14O - 27 ) = (13O2 + 17O2) + (7O - 14O) + (7 - 27) = (13 + 17) O2 + (7 - 14) O + (7 - 27) = 30O2 -7O -20 |
| 6) Add the following expressions: 7I2 + 9I + 4 , 23I2 - 21I - 19 Answer: 30I2 Answer: -12I Answer: -15 SOLUTION 1 : ( 7I2 + 9I + 4 ) + ( 23I2 - 21I - 19 ) = (7I2 + 23I2) + (9I - 21I) + (4 - 19) = (7 + 23) I2 + (9 - 21) I + (4 - 19) = 30I2 -12I -15 |
| 7) Add the following expressions: 12F2 + 9F + 4 , 12F2 - 15F - 27 Answer: 24F2 Answer: -6F Answer: -23 SOLUTION 1 : ( 12F2 + 9F + 4 ) + ( 12F2 - 15F - 27 ) = (12F2 + 12F2) + (9F - 15F) + (4 - 27) = (12 + 12) F2 + (9 - 15) F + (4 - 27) = 24F2 -6F -23 |
| 8) Add the following expressions: 8C2 + 4C + 11 , 18C2 - 29C - 24 Answer: 26C2 Answer: -25C Answer: -13 SOLUTION 1 : ( 8C2 + 4C + 11 ) + ( 18C2 - 29C - 24 ) = (8C2 + 18C2) + (4C - 29C) + (11 - 24) = (8 + 18) C2 + (4 - 29) C + (11 - 24) = 26C2 -25C -13 |
| 9) Add the following expressions: 4A2 + 6A + 11 , 22A2 - 22A - 29 Answer: 26A2 Answer: -16A Answer: -18 SOLUTION 1 : ( 4A2 + 6A + 11 ) + ( 22A2 - 22A - 29 ) = (4A2 + 22A2) + (6A - 22A) + (11 - 29) = (4 + 22) A2 + (6 - 22) A + (11 - 29) = 26A2 -16A -18 |
| 10) Add the following expressions: 17G2 + 8G + 4 , 6G2 - 27G - 17 Answer: 23G2 Answer: -19G Answer: -13 SOLUTION 1 : ( 17G2 + 8G + 4 ) + ( 6G2 - 27G - 17 ) = (17G2 + 6G2) + (8G - 27G) + (4 - 17) = (17 + 6) G2 + (8 - 27) G + (4 - 17) = 23G2 -19G -13 |