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Anonymous Anonymous
  • 10-02-2017
  • Mathematics
Answered

  1. What number should be added to the expression x^2+2x to change it into a perfect square trinomial?


A1

B2

C4

D9

  1. What number should be added to the expression x^2+14x to change it into a perfect square trinomial?


A7

B14

C28

D49

Verified Answer :

dematrusenoch92
dematrusenoch92 dematrusenoch92
  • 10-02-2017

I think 1 is 1 I hope this help u.

Answer Link
Anonymous Anonymous
  • 10-02-2017

1) Here, Polynomial = x² + 2x
So, 1/2 (2) = 1 & it's square = 1² = 1

In short, Your Answer would be Option A

2)Here, Polynomial = x² + 14x
So, 1/2 (14) = 7 & it's square = 7² = 49

In short, Your Answer would be Option D

Hope this helps!

Answer Link

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