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: 16W2 + 4W + 5 , 18W2 - 29W - 20 W2 W
Answer:_______________ |
2) Add the following expressions: 15K2 + 12K + 7 , 18K2 - 25K - 20 K2 K
Answer:_______________ |
3) Add the following expressions: 19F2 + 2F + 9 , 12F2 - 23F - 29 F2 F
Answer:_______________ |
4) Add the following expressions: 17V2 + 8V + 7 , 20V2 - 15V - 17 V2 V
Answer:_______________ |
5) Add the following expressions: 2H2 + 3H + 6 , 5H2 - 19H - 24 H2 H
Answer:_______________ |
6) Add the following expressions: 9D2 + 7D + 6 , 22D2 - 19D - 29 D2 D
Answer:_______________ |
7) Add the following expressions: 10W2 + 5W + 7 , 11W2 - 23W - 17 W2 W
Answer:_______________ |
8) Add the following expressions: 19K2 + 2K + 8 , 20K2 - 23K - 14 K2 K
Answer:_______________ |
9) Add the following expressions: 9L2 + 2L + 11 , 17L2 - 20L - 28 L2 L
Answer:_______________ |
10) Add the following expressions: 10R2 + 8R + 4 , 6R2 - 15R - 18 R2 R
Answer:_______________ |
1) Add the following expressions: 16U2 + 4U + 5 , 18U2 - 29U - 20 Answer: 34U2 Answer: -25U Answer: -15 SOLUTION 1 : ( 16U2 + 4U + 5 ) + ( 18U2 - 29U - 20 ) = (16U2 + 18U2) + (4U - 29U) + (5 - 20) = (16 + 18) U2 + (4 - 29) U + (5 - 20) = 34U2 -25U -15 |
2) Add the following expressions: 15M2 + 12M + 7 , 18M2 - 25M - 20 Answer: 33M2 Answer: -13M Answer: -13 SOLUTION 1 : ( 15M2 + 12M + 7 ) + ( 18M2 - 25M - 20 ) = (15M2 + 18M2) + (12M - 25M) + (7 - 20) = (15 + 18) M2 + (12 - 25) M + (7 - 20) = 33M2 -13M -13 |
3) Add the following expressions: 19P2 + 2P + 9 , 12P2 - 23P - 29 Answer: 31P2 Answer: -21P Answer: -20 SOLUTION 1 : ( 19P2 + 2P + 9 ) + ( 12P2 - 23P - 29 ) = (19P2 + 12P2) + (2P - 23P) + (9 - 29) = (19 + 12) P2 + (2 - 23) P + (9 - 29) = 31P2 -21P -20 |
4) Add the following expressions: 17S2 + 8S + 7 , 20S2 - 15S - 17 Answer: 37S2 Answer: -7S Answer: -10 SOLUTION 1 : ( 17S2 + 8S + 7 ) + ( 20S2 - 15S - 17 ) = (17S2 + 20S2) + (8S - 15S) + (7 - 17) = (17 + 20) S2 + (8 - 15) S + (7 - 17) = 37S2 -7S -10 |
5) Add the following expressions: 2I2 + 3I + 6 , 5I2 - 19I - 24 Answer: 7I2 Answer: -16I Answer: -18 SOLUTION 1 : ( 2I2 + 3I + 6 ) + ( 5I2 - 19I - 24 ) = (2I2 + 5I2) + (3I - 19I) + (6 - 24) = (2 + 5) I2 + (3 - 19) I + (6 - 24) = 7I2 -16I -18 |
6) Add the following expressions: 9V2 + 7V + 6 , 22V2 - 19V - 29 Answer: 31V2 Answer: -12V Answer: -23 SOLUTION 1 : ( 9V2 + 7V + 6 ) + ( 22V2 - 19V - 29 ) = (9V2 + 22V2) + (7V - 19V) + (6 - 29) = (9 + 22) V2 + (7 - 19) V + (6 - 29) = 31V2 -12V -23 |
7) Add the following expressions: 10E2 + 5E + 7 , 11E2 - 23E - 17 Answer: 21E2 Answer: -18E Answer: -10 SOLUTION 1 : ( 10E2 + 5E + 7 ) + ( 11E2 - 23E - 17 ) = (10E2 + 11E2) + (5E - 23E) + (7 - 17) = (10 + 11) E2 + (5 - 23) E + (7 - 17) = 21E2 -18E -10 |
8) Add the following expressions: 19D2 + 2D + 8 , 20D2 - 23D - 14 Answer: 39D2 Answer: -21D Answer: -6 SOLUTION 1 : ( 19D2 + 2D + 8 ) + ( 20D2 - 23D - 14 ) = (19D2 + 20D2) + (2D - 23D) + (8 - 14) = (19 + 20) D2 + (2 - 23) D + (8 - 14) = 39D2 -21D -6 |
9) Add the following expressions: 9H2 + 2H + 11 , 17H2 - 20H - 28 Answer: 26H2 Answer: -18H Answer: -17 SOLUTION 1 : ( 9H2 + 2H + 11 ) + ( 17H2 - 20H - 28 ) = (9H2 + 17H2) + (2H - 20H) + (11 - 28) = (9 + 17) H2 + (2 - 20) H + (11 - 28) = 26H2 -18H -17 |
10) Add the following expressions: 10R2 + 8R + 4 , 6R2 - 15R - 18 Answer: 16R2 Answer: -7R Answer: -14 SOLUTION 1 : ( 10R2 + 8R + 4 ) + ( 6R2 - 15R - 18 ) = (10R2 + 6R2) + (8R - 15R) + (4 - 18) = (10 + 6) R2 + (8 - 15) R + (4 - 18) = 16R2 -7R -14 |