craigcecilia7 craigcecilia7

09-03-2022
Mathematics

contestada

what should be done to x^2-8xto create a perfect square
a. add 4
b. subtract 4
c. subtract 16
d. add 16

Respuesta :

mathstudent55 mathstudent55

09-03-2022

Answer:

d. add 16

Step-by-step explanation:

Take half of the x-term coefficient and square it then add it to the polynomial.

You have x² - 8x

The x-term coefficient is -8.

Half of -8 is -4.

Square -4 to get 16.

Answer: add 16

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