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: 4S2 + 9S + 10 , 7S2 - 14S - 27 S2 S
Answer:_______________ |
| 2) Add the following expressions: 22E2 + 3E + 4 , 21E2 - 19E - 21 E2 E
Answer:_______________ |
| 3) Add the following expressions: 4K2 + 7K + 8 , 21K2 - 28K - 23 K2 K
Answer:_______________ |
| 4) Add the following expressions: 8C2 + 4C + 3 , 19C2 - 16C - 29 ___C2 ___C
Answer:_______________ |
| 5) Add the following expressions: 16M2 + 7M + 9 , 7M2 - 17M - 29 ___M2 ___M
Answer:_______________ |
| 6) Add the following expressions: 18T2 + 8T + 3 , 5T2 - 25T - 16 T2 T
Answer:_______________ |
| 7) Add the following expressions: 11U2 + 7U + 6 , 25U2 - 28U - 18 U2 U
Answer:_______________ |
| 8) Add the following expressions: 21P2 + 8P + 2 , 20P2 - 15P - 22 P2 P
Answer:_______________ |
| 9) Add the following expressions: 18K2 + 10K + 12 , 18K2 - 27K - 14 K2 K
Answer:_______________ |
| 10) Add the following expressions: 11Y2 + 11Y + 4 , 6Y2 - 18Y - 22 Y2 Y
Answer:_______________ |
| 1) Add the following expressions: 4W2 + 9W + 10 , 7W2 - 14W - 27 Answer: 11W2 Answer: -5W Answer: -17 SOLUTION 1 : ( 4W2 + 9W + 10 ) + ( 7W2 - 14W - 27 ) = (4W2 + 7W2) + (9W - 14W) + (10 - 27) = (4 + 7) W2 + (9 - 14) W + (10 - 27) = 11W2 -5W -17 |
| 2) Add the following expressions: 22S2 + 3S + 4 , 21S2 - 19S - 21 Answer: 43S2 Answer: -16S Answer: -17 SOLUTION 1 : ( 22S2 + 3S + 4 ) + ( 21S2 - 19S - 21 ) = (22S2 + 21S2) + (3S - 19S) + (4 - 21) = (22 + 21) S2 + (3 - 19) S + (4 - 21) = 43S2 -16S -17 |
| 3) Add the following expressions: 4L2 + 7L + 8 , 21L2 - 28L - 23 Answer: 25L2 Answer: -21L Answer: -15 SOLUTION 1 : ( 4L2 + 7L + 8 ) + ( 21L2 - 28L - 23 ) = (4L2 + 21L2) + (7L - 28L) + (8 - 23) = (4 + 21) L2 + (7 - 28) L + (8 - 23) = 25L2 -21L -15 |
| 4) Add the following expressions: 8C2 + 4C + 3 , 19C2 - 16C - 29 Answer: 27C2 Answer: -12C Answer: -26 SOLUTION 1 : ( 8C2 + 4C + 3 ) + ( 19C2 - 16C - 29 ) = (8C2 + 19C2) + (4C - 16C) + (3 - 29) = (8 + 19) C2 + (4 - 16) C + (3 - 29) = 27C2 -12C -26 |
| 5) Add the following expressions: 16W2 + 7W + 9 , 7W2 - 17W - 29 Answer: 23W2 Answer: -10W Answer: -20 SOLUTION 1 : ( 16W2 + 7W + 9 ) + ( 7W2 - 17W - 29 ) = (16W2 + 7W2) + (7W - 17W) + (9 - 29) = (16 + 7) W2 + (7 - 17) W + (9 - 29) = 23W2 -10W -20 |
| 6) Add the following expressions: 18D2 + 8D + 3 , 5D2 - 25D - 16 Answer: 23D2 Answer: -17D Answer: -13 SOLUTION 1 : ( 18D2 + 8D + 3 ) + ( 5D2 - 25D - 16 ) = (18D2 + 5D2) + (8D - 25D) + (3 - 16) = (18 + 5) D2 + (8 - 25) D + (3 - 16) = 23D2 -17D -13 |
| 7) Add the following expressions: 11T2 + 7T + 6 , 25T2 - 28T - 18 Answer: 36T2 Answer: -21T Answer: -12 SOLUTION 1 : ( 11T2 + 7T + 6 ) + ( 25T2 - 28T - 18 ) = (11T2 + 25T2) + (7T - 28T) + (6 - 18) = (11 + 25) T2 + (7 - 28) T + (6 - 18) = 36T2 -21T -12 |
| 8) Add the following expressions: 21I2 + 8I + 2 , 20I2 - 15I - 22 Answer: 41I2 Answer: -7I Answer: -20 SOLUTION 1 : ( 21I2 + 8I + 2 ) + ( 20I2 - 15I - 22 ) = (21I2 + 20I2) + (8I - 15I) + (2 - 22) = (21 + 20) I2 + (8 - 15) I + (2 - 22) = 41I2 -7I -20 |
| 9) Add the following expressions: 18Q2 + 10Q + 12 , 18Q2 - 27Q - 14 Answer: 36Q2 Answer: -17Q Answer: -2 SOLUTION 1 : ( 18Q2 + 10Q + 12 ) + ( 18Q2 - 27Q - 14 ) = (18Q2 + 18Q2) + (10Q - 27Q) + (12 - 14) = (18 + 18) Q2 + (10 - 27) Q + (12 - 14) = 36Q2 -17Q -2 |
| 10) Add the following expressions: 11P2 + 11P + 4 , 6P2 - 18P - 22 Answer: 17P2 Answer: -7P Answer: -18 SOLUTION 1 : ( 11P2 + 11P + 4 ) + ( 6P2 - 18P - 22 ) = (11P2 + 6P2) + (11P - 18P) + (4 - 22) = (11 + 6) P2 + (11 - 18) P + (4 - 22) = 17P2 -7P -18 |