Happy Birthday! Or maybe Happy Un-Birthday? Either way, here is a fun birthday trick.
Take the month you were born in. Multiply it by 4, add 13, multiply by 25, subtract 200, add the day you were born, multiply by 2, subtract 40, multiply by 50, add the last two digits of your birth year, subtract 10500…. viola! Your birth date! Impress your friends!
Now, use your birthday for some more math fun.
You can locate graph paper here.
1. Create a quadratic function, f(x), in vertex form. The a should be between 4 and –4, the h will be your birth month, and the k will be your birth day.

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I got -28998… and no I didn't mess up but how would this number make it my birthdate?

i have no idea honestly.. im just stuck on this problem for my class and its over due :/

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