Question

What must be added to x^2-x to complete the square

a: -1/2
b: 1/2
c: -1/4
d: 1/4

Answer 1

I think this is C I’m not sure

Answer 2

d

Explanation:

To complete the square

add (half the coefficient of the x- term)²

x² - x + ( -
`(1)/(2)`)²

= x² - x +
`(1)/(4)` ← value required to complete the square