What number should be added to the expression x²+14x to change it into a perfect square trinomial? 7 14 28 49

asked Mar 11, 2019 127k views

0 votes

What number should be added to the expression x²+14x to change it into a perfect square trinomial?

7
14
28
49

7.8k points

Please log in or register to add a comment.

4 votes

Answer: D) 49

To get this answer, divide the x coefficient 14 in half to get 7. Then square 7 to get 49.

Dheeraj Singh answered Mar 17, 2019

8.3k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers