Grade 9 Algebra Question 3 (LAST)
posted by Jab .
PASCAL’S TRIANGLE For Exercises 5 and
6, use the following information.
Blaise Pascal is known for a special
triangular arrangement of numbers, calledPascal’s Triangle.. Each number insuccessive rows of the triangle is created by adding the two numbers in the row above the number.
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
5. Starting with the second row from thetop, what is the sequence of the diagonal
(1 2 3 4 5 6 7)?
6. The sum of each row represents 2n,
starting with the first row, which is
20 = 1. Write an exponential expression
for the sum of the values in the sixth
row. Simplify the expression.

isn't that obvious? nth term = n
as you said, sum = 2^(n1) for nth row. So, sum of 6th row = 2^5 = 32
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