Find the number that must be added to each expression to form a perfect square trinomial. then write the trinomial as a binomial squared.

The answers are:

a)

b)

First, we need to know that for this case:

So,

We must add  to the expression in order to form a perfect square trinomial,

Writing the trinomial as a binomial square:

Have a nice day!

center= (-2,0)

radius= sqrt2/2

step-by-step explanation:

48 / 6 = x

in this case, x will equal the amount of money in each card!

x therefore will be 8.

trent had $8 in each birthday card.