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.

Question

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.

anonymous · Answer

Write your equation below.
2.	Using complete sentences, explain how to convert your birthday function into standard form.
3.	Graph your function. Include your graph below.
4.	Using complete sentences, explain how to find the average rate of change for f(x) from x = 4 to x = 7.

anonymous · Answer

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

anonymous · Answer

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

anonymous · Answer

someone please help.

anonymous · Answer

@nincompoop please help me ill give you a medal

anonymous · Answer

@ranga

anonymous · Answer

It worked for me. My birth date is 11/26/98 and the answer I got was 112,698. if you the answer apart you get your birthday.