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23 May, 05:40

Which sum is equivalent to (11k2 + 3k + 1) ?

a. (4k2 + k - 5) + (7k2 + 2k + 6)

b. (k2 - 2) + (11k2 + 3k + 3)

c. (8k2 + k) + (3k + 1)

d. (5k + 1) + (6k - 3)

+5
Answers (2)
  1. 23 May, 05:58
    0
    A) You can only add together like terms, so adding the k^2, k, and terms without k gives 4k^2+7k^2+2k+k+6-5=11k^2 + 3k + 1
  2. 23 May, 06:10
    0
    a) 4k^2 + k - 5) + (7k^2 + 2k + 6)

    11k^2 + 3k + 1

    Choice A
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