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) (15x - 5f) from (-2x + 27f) - x f Answer:_______________ |
| 2) (20y - 4v) from (-5y + 16v) - y v Answer:_______________ |
| 3) (26u - 3t) from (-5u + 24t) - u t Answer:_______________ |
| 4) (18c - 6r) from (-6c + 18r) - ___c r Answer:_______________ |
| 5) (20s - 5z) from (-8s + 27z) - s z Answer:_______________ |
| 6) (29n - 2h) from (-3n + 20h) - n h Answer:_______________ |
| 7) (16t - 11i) from (-7t + 18i) - t i Answer:_______________ |
| 8) (18b - 3j) from (-3b + 20j) - b j Answer:_______________ |
| 9) (17c - 11y) from (-9c + 22y) - ___c y Answer:_______________ |
| 10) (24o - 6t) from (-8o + 24t) - o t Answer:_______________ |
| 1) (15m - 5d) from (-2m + 27d) - Answer: 17m Answer: 32d SOLUTION 1 : (-2m + 27d) - (15m - 5d) = - 2m + 27d - 15m + 5d = (- 2m - 15m) + (27d + 5d) = (- 2 - 15)m + (27 + 5)d = (- 17)m + (32)d = - 17m + 32d
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| 2) (20a - 4j) from (-5a + 16j) - Answer: 25a Answer: 20j SOLUTION 1 : (-5a + 16j) - (20a - 4j) = - 5a + 16j - 20a + 4j = (- 5a - 20a) + (16j + 4j) = (- 5 - 20)a + (16 + 4)j = (- 25)a + (20)j = - 25a + 20j
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| 3) (26h - 3n) from (-5h + 24n) - Answer: 31h Answer: 27n SOLUTION 1 : (-5h + 24n) - (26h - 3n) = - 5h + 24n - 26h + 3n = (- 5h - 26h) + (24n + 3n) = (- 5 - 26)h + (24 + 3)n = (- 31)h + (27)n = - 31h + 27n
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| 4) (18w - 6l) from (-6w + 18l) - Answer: 24w Answer: 24l SOLUTION 1 : (-6w + 18l) - (18w - 6l) = - 6w + 18l - 18w + 6l = (- 6w - 18w) + (18l + 6l) = (- 6 - 18)w + (18 + 6)l = (- 24)w + (24)l = - 24w + 24l
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| 5) (20s - 5k) from (-8s + 27k) - Answer: 28s Answer: 32k SOLUTION 1 : (-8s + 27k) - (20s - 5k) = - 8s + 27k - 20s + 5k = (- 8s - 20s) + (27k + 5k) = (- 8 - 20)s + (27 + 5)k = (- 28)s + (32)k = - 28s + 32k
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| 6) (29q - 2v) from (-3q + 20v) - Answer: 32q Answer: 22v SOLUTION 1 : (-3q + 20v) - (29q - 2v) = - 3q + 20v - 29q + 2v = (- 3q - 29q) + (20v + 2v) = (- 3 - 29)q + (20 + 2)v = (- 32)q + (22)v = - 32q + 22v
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| 7) (16m - 11a) from (-7m + 18a) - Answer: 23m Answer: 29a SOLUTION 1 : (-7m + 18a) - (16m - 11a) = - 7m + 18a - 16m + 11a = (- 7m - 16m) + (18a + 11a) = (- 7 - 16)m + (18 + 11)a = (- 23)m + (29)a = - 23m + 29a
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| 8) (18l - 3b) from (-3l + 20b) - Answer: 21l Answer: 23b SOLUTION 1 : (-3l + 20b) - (18l - 3b) = - 3l + 20b - 18l + 3b = (- 3l - 18l) + (20b + 3b) = (- 3 - 18)l + (20 + 3)b = (- 21)l + (23)b = - 21l + 23b
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| 9) (17s - 11r) from (-9s + 22r) - Answer: 26s Answer: 33r SOLUTION 1 : (-9s + 22r) - (17s - 11r) = - 9s + 22r - 17s + 11r = (- 9s - 17s) + (22r + 11r) = (- 9 - 17)s + (22 + 11)r = (- 26)s + (33)r = - 26s + 33r
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| 10) (24v - 6z) from (-8v + 24z) - Answer: 32v Answer: 30z SOLUTION 1 : (-8v + 24z) - (24v - 6z) = - 8v + 24z - 24v + 6z = (- 8v - 24v) + (24z + 6z) = (- 8 - 24)v + (24 + 6)z = (- 32)v + (30)z = - 32v + 30z
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