Which value must be added to the expression x2 + 16x to make it a perfect-square trinomial?

Step-by-step explanation:

Given the expression

we have to tell which value must be added to the above expression to make it a perfect-square trinomial.

Expression:

By completing the square method,

The square of half of the coefficient of x must be added , we get

which is a perfect square.

answer is d-29

step-by-step explanation:

since you didn't include the picture, i can give you the description so you know how to pick the correct answer. the third quartile of a data is always shown in a box plot. in the middle of your graph should be a box. the third quartile is the value that goes with the far right edge of the box.