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: 16S2 + 9S + 9 , 23S2 - 25S - 23 S2 S
Answer:_______________ |
| 2) Add the following expressions: 5I2 + 2I + 3 , 22I2 - 24I - 19 I2 I
Answer:_______________ |
| 3) Add the following expressions: 11W2 + 12W + 3 , 17W2 - 15W - 17 W2 W
Answer:_______________ |
| 4) Add the following expressions: 22G2 + 4G + 12 , 22G2 - 21G - 27 G2 G
Answer:_______________ |
| 5) Add the following expressions: 2R2 + 2R + 6 , 19R2 - 16R - 23 R2 R
Answer:_______________ |
| 6) Add the following expressions: 14I2 + 11I + 11 , 10I2 - 27I - 27 I2 I
Answer:_______________ |
| 7) Add the following expressions: 6U2 + 3U + 11 , 17U2 - 27U - 26 U2 U
Answer:_______________ |
| 8) Add the following expressions: 16J2 + 2J + 6 , 12J2 - 20J - 15 J2 J
Answer:_______________ |
| 9) Add the following expressions: 20T2 + 7T + 5 , 17T2 - 27T - 21 T2 T
Answer:_______________ |
| 10) Add the following expressions: 21R2 + 8R + 8 , 14R2 - 17R - 22 R2 R
Answer:_______________ |
| 1) Add the following expressions: 16P2 + 9P + 9 , 23P2 - 25P - 23 Answer: 39P2 Answer: -16P Answer: -14 SOLUTION 1 : ( 16P2 + 9P + 9 ) + ( 23P2 - 25P - 23 ) = (16P2 + 23P2) + (9P - 25P) + (9 - 23) = (16 + 23) P2 + (9 - 25) P + (9 - 23) = 39P2 -16P -14 |
| 2) Add the following expressions: 5Z2 + 2Z + 3 , 22Z2 - 24Z - 19 Answer: 27Z2 Answer: -22Z Answer: -16 SOLUTION 1 : ( 5Z2 + 2Z + 3 ) + ( 22Z2 - 24Z - 19 ) = (5Z2 + 22Z2) + (2Z - 24Z) + (3 - 19) = (5 + 22) Z2 + (2 - 24) Z + (3 - 19) = 27Z2 -22Z -16 |
| 3) Add the following expressions: 11S2 + 12S + 3 , 17S2 - 15S - 17 Answer: 28S2 Answer: -3S Answer: -14 SOLUTION 1 : ( 11S2 + 12S + 3 ) + ( 17S2 - 15S - 17 ) = (11S2 + 17S2) + (12S - 15S) + (3 - 17) = (11 + 17) S2 + (12 - 15) S + (3 - 17) = 28S2 -3S -14 |
| 4) Add the following expressions: 22A2 + 4A + 12 , 22A2 - 21A - 27 Answer: 44A2 Answer: -17A Answer: -15 SOLUTION 1 : ( 22A2 + 4A + 12 ) + ( 22A2 - 21A - 27 ) = (22A2 + 22A2) + (4A - 21A) + (12 - 27) = (22 + 22) A2 + (4 - 21) A + (12 - 27) = 44A2 -17A -15 |
| 5) Add the following expressions: 2A2 + 2A + 6 , 19A2 - 16A - 23 Answer: 21A2 Answer: -14A Answer: -17 SOLUTION 1 : ( 2A2 + 2A + 6 ) + ( 19A2 - 16A - 23 ) = (2A2 + 19A2) + (2A - 16A) + (6 - 23) = (2 + 19) A2 + (2 - 16) A + (6 - 23) = 21A2 -14A -17 |
| 6) Add the following expressions: 14B2 + 11B + 11 , 10B2 - 27B - 27 Answer: 24B2 Answer: -16B Answer: -16 SOLUTION 1 : ( 14B2 + 11B + 11 ) + ( 10B2 - 27B - 27 ) = (14B2 + 10B2) + (11B - 27B) + (11 - 27) = (14 + 10) B2 + (11 - 27) B + (11 - 27) = 24B2 -16B -16 |
| 7) Add the following expressions: 6T2 + 3T + 11 , 17T2 - 27T - 26 Answer: 23T2 Answer: -24T Answer: -15 SOLUTION 1 : ( 6T2 + 3T + 11 ) + ( 17T2 - 27T - 26 ) = (6T2 + 17T2) + (3T - 27T) + (11 - 26) = (6 + 17) T2 + (3 - 27) T + (11 - 26) = 23T2 -24T -15 |
| 8) Add the following expressions: 16P2 + 2P + 6 , 12P2 - 20P - 15 Answer: 28P2 Answer: -18P Answer: -9 SOLUTION 1 : ( 16P2 + 2P + 6 ) + ( 12P2 - 20P - 15 ) = (16P2 + 12P2) + (2P - 20P) + (6 - 15) = (16 + 12) P2 + (2 - 20) P + (6 - 15) = 28P2 -18P -9 |
| 9) Add the following expressions: 20H2 + 7H + 5 , 17H2 - 27H - 21 Answer: 37H2 Answer: -20H Answer: -16 SOLUTION 1 : ( 20H2 + 7H + 5 ) + ( 17H2 - 27H - 21 ) = (20H2 + 17H2) + (7H - 27H) + (5 - 21) = (20 + 17) H2 + (7 - 27) H + (5 - 21) = 37H2 -20H -16 |
| 10) Add the following expressions: 21S2 + 8S + 8 , 14S2 - 17S - 22 Answer: 35S2 Answer: -9S Answer: -14 SOLUTION 1 : ( 21S2 + 8S + 8 ) + ( 14S2 - 17S - 22 ) = (21S2 + 14S2) + (8S - 17S) + (8 - 22) = (21 + 14) S2 + (8 - 17) S + (8 - 22) = 35S2 -9S -14 |