How is the pattern for a perfect square trinomial used to factor the trinomial?

Step-by-step explanation:

We're going to try two things here.

First an example

x^2 + 10x + 25

If you divide the linear factor by 2 and square the result, you get the last number (25)

The pattern of a trinomial is

x^2 + 2b x + b^2

The factors are

(x + b)(x+ b)

Just divide the linear term by 2

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

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