YanaseAHotori YanaseAHotori

10-06-2017
Mathematics

contestada

What number must be added to the expression below to complete the square?
x^2-18x
a: -9
b: 9
c: 81
d: -81

Respuesta :

Munasip Munasip

10-06-2017

The answer is C. You would take -18 and divide by two and get -9. Then square this to get 81. That is your answer, hope this helps!

Answer Link

24-08-2020

Answer:

c

Step-by-step explanation:

Answer Link

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