Pick a two digit number greater than 25. Rewrite your two digit number as a difference of two number. Show how to use the identity (x - y)^2 = x^2 -2xy + y^2 to square your number without using a calculator

See explanation

Step-by-step explanation:

Let our two digit number be 26

Next, we rewrite it as a difference of two numbers

26=32-6

We want to square 26 using the identity:

In this case,

Substituting into the identity

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

happy to

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