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) (15m - 10i) from (-4m + 28i) - ___m i Answer:_______________ |
| 2) (22t - 2c) from (-3t + 21c) - ___c Answer:_______________ |
| 3) (16e - 8v) from (-5e + 25v) - e v Answer:_______________ |
| 4) (12s - 8d) from (-9s + 18d) - s d Answer:_______________ |
| 5) (18k - 2o) from (-2k + 24o) - k o Answer:_______________ |
| 6) (13q - 10j) from (-7q + 14j) - q j Answer:_______________ |
| 7) (28k - 3e) from (-2k + 21e) - k e Answer:_______________ |
| 8) (24y - 10p) from (-4y + 22p) - y p Answer:_______________ |
| 9) (22f - 2d) from (-3f + 16d) - f d Answer:_______________ |
| 10) (22l - 5w) from (-3l + 27w) - l w Answer:_______________ |
| 1) (15e - 10n) from (-4e + 28n) - Answer: 19e Answer: 38n SOLUTION 1 : (-4e + 28n) - (15e - 10n) = - 4e + 28n - 15e + 10n = (- 4e - 15e) + (28n + 10n) = (- 4 - 15)e + (28 + 10)n = (- 19)e + (38)n = - 19e + 38n
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| 2) (22z - 2p) from (-3z + 21p) - Answer: 25z Answer: 23p SOLUTION 1 : (-3z + 21p) - (22z - 2p) = - 3z + 21p - 22z + 2p = (- 3z - 22z) + (21p + 2p) = (- 3 - 22)z + (21 + 2)p = (- 25)z + (23)p = - 25z + 23p
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| 3) (16e - 8h) from (-5e + 25h) - Answer: 21e Answer: 33h SOLUTION 1 : (-5e + 25h) - (16e - 8h) = - 5e + 25h - 16e + 8h = (- 5e - 16e) + (25h + 8h) = (- 5 - 16)e + (25 + 8)h = (- 21)e + (33)h = - 21e + 33h
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| 4) (12w - 8k) from (-9w + 18k) - Answer: 21w Answer: 26k SOLUTION 1 : (-9w + 18k) - (12w - 8k) = - 9w + 18k - 12w + 8k = (- 9w - 12w) + (18k + 8k) = (- 9 - 12)w + (18 + 8)k = (- 21)w + (26)k = - 21w + 26k
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| 5) (18k - 2e) from (-2k + 24e) - Answer: 20k Answer: 26e SOLUTION 1 : (-2k + 24e) - (18k - 2e) = - 2k + 24e - 18k + 2e = (- 2k - 18k) + (24e + 2e) = (- 2 - 18)k + (24 + 2)e = (- 20)k + (26)e = - 20k + 26e
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| 6) (13u - 10s) from (-7u + 14s) - Answer: 20u Answer: 24s SOLUTION 1 : (-7u + 14s) - (13u - 10s) = - 7u + 14s - 13u + 10s = (- 7u - 13u) + (14s + 10s) = (- 7 - 13)u + (14 + 10)s = (- 20)u + (24)s = - 20u + 24s
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| 7) (28d - 3g) from (-2d + 21g) - Answer: 30d Answer: 24g SOLUTION 1 : (-2d + 21g) - (28d - 3g) = - 2d + 21g - 28d + 3g = (- 2d - 28d) + (21g + 3g) = (- 2 - 28)d + (21 + 3)g = (- 30)d + (24)g = - 30d + 24g
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| 8) (24w - 10d) from (-4w + 22d) - Answer: 28w Answer: 32d SOLUTION 1 : (-4w + 22d) - (24w - 10d) = - 4w + 22d - 24w + 10d = (- 4w - 24w) + (22d + 10d) = (- 4 - 24)w + (22 + 10)d = (- 28)w + (32)d = - 28w + 32d
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| 9) (22g - 2v) from (-3g + 16v) - Answer: 25g Answer: 18v SOLUTION 1 : (-3g + 16v) - (22g - 2v) = - 3g + 16v - 22g + 2v = (- 3g - 22g) + (16v + 2v) = (- 3 - 22)g + (16 + 2)v = (- 25)g + (18)v = - 25g + 18v
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| 10) (22r - 5f) from (-3r + 27f) - Answer: 25r Answer: 32f SOLUTION 1 : (-3r + 27f) - (22r - 5f) = - 3r + 27f - 22r + 5f = (- 3r - 22r) + (27f + 5f) = (- 3 - 22)r + (27 + 5)f = (- 25)r + (32)f = - 25r + 32f
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