kms275
28.12.2019 •
Mathematics
What number must you add to complete the square?
x^2 + 8x = -3
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Ответ:
x^2 + 8x + 16 = -3 + 16
using a^2 + 2 a b + b^2 = (a+b)^2
x^2 + 8x + 16 = 13
(x +4)^2 = 13
answer : 16 is the number you must add to complete the square
Ответ:
Option A.
Step-by-step explanation:
we know that
The combined area of the 3 windowpanes and frame is equal to
using a graphing tool to solve the quadratic equation
The solution is
see the attached figure