Question

Check all polynomials that are perfect square trinomials:

49x^2 − 8x + 16

4a^2 − 20a + 25

25b^2 − 5b + 10

16x^2 − 8x + 1

Answer 1

@LarsEighner

Answer 2

@jim_thompson5910

Answer 3

the only right one is B

Answer 4

It was B and D. But thanks @aballer101