# Algebra

posted by .

Find the 1st four hexagonal numbers and the formula

The difference of two squares a2 - b 2 can be found in
16sq2 – 13sq2 = 3(16 + 13) = 3 . 29 = 87

## Similar Questions

1. ### Algebra

How can you determine if a polynomial is the difference of two squares?
2. ### algebra

The sum of two numbers is 20. The difference of their squares is 120. What are the numbers?
3. ### Math

A Quadratic Word Problem. The difference between two positive numbers is 3. The sum of the squares of the numbers is 89. Find the numbers.
4. ### MATH

A four by four grid of unit squares contains squares of various sizes (1 by 1 through 4 by 4), each of which are formed entirely from squares in the grid. In each of the 16 unit squares, write the number of squares that contain it. …
5. ### Algebra math1

Find the formula 42 reversed is 24 2+4 = 6. The difference between 42 & 24 is 18, 2 + 4 = 6. 18 x 2 = 36, 36 + 6 = 42, 18 + 6 = 24. I need to find a formula that would've found the answers 6 & 18 before I knew they were the answer, …

1. The sum of the squares of two numbers is 74 and the difference of their squares is 24. a) What system of equations models this situation?
7. ### mathematics-Algebra

I think of two whole numbers;the product of the average of the sum and difference of the numbers and the difference of the sum and difference of the numbers is 12.if three times the first added to the second makes up 11..find the two …
8. ### Algebra 2

The Sum of the squares of two positive integers is 100. The difference of the squares is 28. What is the smaller of the two numbers?
9. ### Math

the sum of two numbers is 30. the difference of their squares is 180. find the two numbers by elimination method
10. ### algebra(difference of two squares)

The positive difference between two consecutive odd numbers is 336. compute the larger of the two squares. But my solution was(n+1)^2-n^2=336. And. =2n+1=336. ,2n=335 where. I had n=335/2. Here igot stuck on solving the larger of the …

More Similar Questions