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: 22N2 + 6N + 7 , 24N2 - 15N - 28 N2 N
Answer:_______________ |
| 2) Add the following expressions: 16R2 + 6R + 4 , 7R2 - 19R - 17 R2 R
Answer:_______________ |
| 3) Add the following expressions: 3K2 + 7K + 10 , 21K2 - 23K - 24 K2 K
Answer:_______________ |
| 4) Add the following expressions: 2U2 + 12U + 8 , 24U2 - 28U - 21 U2 U
Answer:_______________ |
| 5) Add the following expressions: 6I2 + 6I + 4 , 5I2 - 29I - 24 I2 I
Answer:_______________ |
| 6) Add the following expressions: 6A2 + 6A + 10 , 13A2 - 27A - 21 A2 A
Answer:_______________ |
| 7) Add the following expressions: 21T2 + 8T + 5 , 15T2 - 20T - 17 T2 T
Answer:_______________ |
| 8) Add the following expressions: 8V2 + 12V + 9 , 10V2 - 24V - 20 V2 V
Answer:_______________ |
| 9) Add the following expressions: 21D2 + 4D + 7 , 10D2 - 17D - 23 D2 D
Answer:_______________ |
| 10) Add the following expressions: 15E2 + 4E + 11 , 24E2 - 16E - 22 E2 E
Answer:_______________ |
| 1) Add the following expressions: 22S2 + 6S + 7 , 24S2 - 15S - 28 Answer: 46S2 Answer: -9S Answer: -21 SOLUTION 1 : ( 22S2 + 6S + 7 ) + ( 24S2 - 15S - 28 ) = (22S2 + 24S2) + (6S - 15S) + (7 - 28) = (22 + 24) S2 + (6 - 15) S + (7 - 28) = 46S2 -9S -21 |
| 2) Add the following expressions: 16T2 + 6T + 4 , 7T2 - 19T - 17 Answer: 23T2 Answer: -13T Answer: -13 SOLUTION 1 : ( 16T2 + 6T + 4 ) + ( 7T2 - 19T - 17 ) = (16T2 + 7T2) + (6T - 19T) + (4 - 17) = (16 + 7) T2 + (6 - 19) T + (4 - 17) = 23T2 -13T -13 |
| 3) Add the following expressions: 3O2 + 7O + 10 , 21O2 - 23O - 24 Answer: 24O2 Answer: -16O Answer: -14 SOLUTION 1 : ( 3O2 + 7O + 10 ) + ( 21O2 - 23O - 24 ) = (3O2 + 21O2) + (7O - 23O) + (10 - 24) = (3 + 21) O2 + (7 - 23) O + (10 - 24) = 24O2 -16O -14 |
| 4) Add the following expressions: 2Q2 + 12Q + 8 , 24Q2 - 28Q - 21 Answer: 26Q2 Answer: -16Q Answer: -13 SOLUTION 1 : ( 2Q2 + 12Q + 8 ) + ( 24Q2 - 28Q - 21 ) = (2Q2 + 24Q2) + (12Q - 28Q) + (8 - 21) = (2 + 24) Q2 + (12 - 28) Q + (8 - 21) = 26Q2 -16Q -13 |
| 5) Add the following expressions: 6A2 + 6A + 4 , 5A2 - 29A - 24 Answer: 11A2 Answer: -23A Answer: -20 SOLUTION 1 : ( 6A2 + 6A + 4 ) + ( 5A2 - 29A - 24 ) = (6A2 + 5A2) + (6A - 29A) + (4 - 24) = (6 + 5) A2 + (6 - 29) A + (4 - 24) = 11A2 -23A -20 |
| 6) Add the following expressions: 6X2 + 6X + 10 , 13X2 - 27X - 21 Answer: 19X2 Answer: -21X Answer: -11 SOLUTION 1 : ( 6X2 + 6X + 10 ) + ( 13X2 - 27X - 21 ) = (6X2 + 13X2) + (6X - 27X) + (10 - 21) = (6 + 13) X2 + (6 - 27) X + (10 - 21) = 19X2 -21X -11 |
| 7) Add the following expressions: 21L2 + 8L + 5 , 15L2 - 20L - 17 Answer: 36L2 Answer: -12L Answer: -12 SOLUTION 1 : ( 21L2 + 8L + 5 ) + ( 15L2 - 20L - 17 ) = (21L2 + 15L2) + (8L - 20L) + (5 - 17) = (21 + 15) L2 + (8 - 20) L + (5 - 17) = 36L2 -12L -12 |
| 8) Add the following expressions: 8M2 + 12M + 9 , 10M2 - 24M - 20 Answer: 18M2 Answer: -12M Answer: -11 SOLUTION 1 : ( 8M2 + 12M + 9 ) + ( 10M2 - 24M - 20 ) = (8M2 + 10M2) + (12M - 24M) + (9 - 20) = (8 + 10) M2 + (12 - 24) M + (9 - 20) = 18M2 -12M -11 |
| 9) Add the following expressions: 21I2 + 4I + 7 , 10I2 - 17I - 23 Answer: 31I2 Answer: -13I Answer: -16 SOLUTION 1 : ( 21I2 + 4I + 7 ) + ( 10I2 - 17I - 23 ) = (21I2 + 10I2) + (4I - 17I) + (7 - 23) = (21 + 10) I2 + (4 - 17) I + (7 - 23) = 31I2 -13I -16 |
| 10) Add the following expressions: 15D2 + 4D + 11 , 24D2 - 16D - 22 Answer: 39D2 Answer: -12D Answer: -11 SOLUTION 1 : ( 15D2 + 4D + 11 ) + ( 24D2 - 16D - 22 ) = (15D2 + 24D2) + (4D - 16D) + (11 - 22) = (15 + 24) D2 + (4 - 16) D + (11 - 22) = 39D2 -12D -11 |