Triangle
Who was Pascal’s triangle named after?
Blaise pascal
What number do you start with on the top of the triangle?
1
The top rows' expression is (x + y) raised to which power?
0
Where are the 1’s placed?
On both left and right edges of every row
(x+1)^2
x^2+2x+2
How many terms does (x+1)^39 have?
40 terms.
What pattern do you notice in Pascal's Triangle? (besides the 1's)
Add the numbers above to give you the number below.
What would be the expression for the fourth row?
(X + y)^4
What are the coefficients of the second row?
1 1
(x+1)^3
x^3+3x^2+3x+1
What is Pascal's Triangle used for?
It is used to give coefficients when you are multiplying binomials.
Is the triangle symmetric?
Yes
What what would be the expression for the 10th row?
(x+y)^10
What are the coefficients for the 4th row?
1 4 6 4 1
(x+2)^3
x^3+6x^2+12x+8