What number should be added to the expression x2 + 4x to change it into a perfect square trinomial?

A: 1

B: 2

C:4

D:8

Question

Ryann Manning

19 August, 05:47

+4

Answers (2)

Know the Answer?

Maverick Spears · Answer 1

I would believe it would be B. 2, then both sides with have two and it will be a square

Zechariah · Answer 2

Zechariah 19 August, 07:50

0

+4 cause x^2+4x+4 = (x+2) ^2

What number should be added to the expression x2 + 4x to change it into a perfect square trinomial?A: 1B: 2C:4D:8