Question

Which of the following constants can be added to x^2 - x to form a perfect square trinomial?

a. 1/4
b. 1/2
c. 1

Answer 1

c?

Answer 2

to do these divide coefficient of x by 2 then square the result

Answer 3

coefficient of x = -1

Answer 4

1/2?

Answer 5

no
-1 / 2 = -1/2
(-1/2)^2 = 1/4

Answer 6

one question - in triangle post - did you mean right-angled triangle? - thats what i assumed