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: 7C2 + 12C + 7 , 20C2 - 28C - 16 ___C2 ___C
Answer:_______________ |
| 2) Add the following expressions: 15S2 + 6S + 6 , 24S2 - 27S - 25 S2 S
Answer:_______________ |
| 3) Add the following expressions: 9B2 + 5B + 11 , 12B2 - 21B - 14 B2 B
Answer:_______________ |
| 4) Add the following expressions: 8V2 + 2V + 12 , 19V2 - 27V - 22 V2 V
Answer:_______________ |
| 5) Add the following expressions: 16K2 + 2K + 11 , 5K2 - 24K - 22 K2 K
Answer:_______________ |
| 6) Add the following expressions: 9M2 + 4M + 10 , 10M2 - 24M - 25 ___M2 ___M
Answer:_______________ |
| 7) Add the following expressions: 11W2 + 11W + 12 , 12W2 - 20W - 19 W2 W
Answer:_______________ |
| 8) Add the following expressions: 2G2 + 3G + 2 , 20G2 - 24G - 16 G2 G
Answer:_______________ |
| 9) Add the following expressions: 2T2 + 12T + 3 , 19T2 - 20T - 28 T2 T
Answer:_______________ |
| 10) Add the following expressions: 12B2 + 4B + 9 , 8B2 - 20B - 16 B2 B
Answer:_______________ |
| 1) Add the following expressions: 7R2 + 12R + 7 , 20R2 - 28R - 16 Answer: 27R2 Answer: -16R Answer: -9 SOLUTION 1 : ( 7R2 + 12R + 7 ) + ( 20R2 - 28R - 16 ) = (7R2 + 20R2) + (12R - 28R) + (7 - 16) = (7 + 20) R2 + (12 - 28) R + (7 - 16) = 27R2 -16R -9 |
| 2) Add the following expressions: 15X2 + 6X + 6 , 24X2 - 27X - 25 Answer: 39X2 Answer: -21X Answer: -19 SOLUTION 1 : ( 15X2 + 6X + 6 ) + ( 24X2 - 27X - 25 ) = (15X2 + 24X2) + (6X - 27X) + (6 - 25) = (15 + 24) X2 + (6 - 27) X + (6 - 25) = 39X2 -21X -19 |
| 3) Add the following expressions: 9E2 + 5E + 11 , 12E2 - 21E - 14 Answer: 21E2 Answer: -16E Answer: -3 SOLUTION 1 : ( 9E2 + 5E + 11 ) + ( 12E2 - 21E - 14 ) = (9E2 + 12E2) + (5E - 21E) + (11 - 14) = (9 + 12) E2 + (5 - 21) E + (11 - 14) = 21E2 -16E -3 |
| 4) Add the following expressions: 8Q2 + 2Q + 12 , 19Q2 - 27Q - 22 Answer: 27Q2 Answer: -25Q Answer: -10 SOLUTION 1 : ( 8Q2 + 2Q + 12 ) + ( 19Q2 - 27Q - 22 ) = (8Q2 + 19Q2) + (2Q - 27Q) + (12 - 22) = (8 + 19) Q2 + (2 - 27) Q + (12 - 22) = 27Q2 -25Q -10 |
| 5) Add the following expressions: 16H2 + 2H + 11 , 5H2 - 24H - 22 Answer: 21H2 Answer: -22H Answer: -11 SOLUTION 1 : ( 16H2 + 2H + 11 ) + ( 5H2 - 24H - 22 ) = (16H2 + 5H2) + (2H - 24H) + (11 - 22) = (16 + 5) H2 + (2 - 24) H + (11 - 22) = 21H2 -22H -11 |
| 6) Add the following expressions: 9S2 + 4S + 10 , 10S2 - 24S - 25 Answer: 19S2 Answer: -20S Answer: -15 SOLUTION 1 : ( 9S2 + 4S + 10 ) + ( 10S2 - 24S - 25 ) = (9S2 + 10S2) + (4S - 24S) + (10 - 25) = (9 + 10) S2 + (4 - 24) S + (10 - 25) = 19S2 -20S -15 |
| 7) Add the following expressions: 11U2 + 11U + 12 , 12U2 - 20U - 19 Answer: 23U2 Answer: -9U Answer: -7 SOLUTION 1 : ( 11U2 + 11U + 12 ) + ( 12U2 - 20U - 19 ) = (11U2 + 12U2) + (11U - 20U) + (12 - 19) = (11 + 12) U2 + (11 - 20) U + (12 - 19) = 23U2 -9U -7 |
| 8) Add the following expressions: 2V2 + 3V + 2 , 20V2 - 24V - 16 Answer: 22V2 Answer: -21V Answer: -14 SOLUTION 1 : ( 2V2 + 3V + 2 ) + ( 20V2 - 24V - 16 ) = (2V2 + 20V2) + (3V - 24V) + (2 - 16) = (2 + 20) V2 + (3 - 24) V + (2 - 16) = 22V2 -21V -14 |
| 9) Add the following expressions: 2M2 + 12M + 3 , 19M2 - 20M - 28 Answer: 21M2 Answer: -8M Answer: -25 SOLUTION 1 : ( 2M2 + 12M + 3 ) + ( 19M2 - 20M - 28 ) = (2M2 + 19M2) + (12M - 20M) + (3 - 28) = (2 + 19) M2 + (12 - 20) M + (3 - 28) = 21M2 -8M -25 |
| 10) Add the following expressions: 12K2 + 4K + 9 , 8K2 - 20K - 16 Answer: 20K2 Answer: -16K Answer: -7 SOLUTION 1 : ( 12K2 + 4K + 9 ) + ( 8K2 - 20K - 16 ) = (12K2 + 8K2) + (4K - 20K) + (9 - 16) = (12 + 8) K2 + (4 - 20) K + (9 - 16) = 20K2 -16K -7 |