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20 questions
Find the coefficient of y3 in the expansion of (1 - 3y)14
-9828
9828
364
-364
Find the coefficient of x2 in the expansion of (1 + 4x)9
576
36
144
1344
What is the binomial expansion of (x + 1)8 ?
x8 + 1
x8 + 8x7 + 16x6 + 24x5 + 32x4 + 24x3 + 16x2 + 8x + 1
x8 + 7x7 + 21x6 + 35x5 + 35x4 + 21x3 + 7x2 + 1
x8 + 8x7 + 28x6 + 56x5 + 70x4 + 56x3 + 28x2 + 8x + 1
x8 + 8x7 + 28x6 + 70x4 + 56x3 + 28x2 + 8x + 1
What is the value of 15 choose 5 ?
1,365
3,303
4,368
6,006
5,235
If the top row of Pascal's Triangle is row 0, then what is the sum of the numbers in the eighth row?
255
256
257
260
264
What is the Binomial expansion of (x + 1)5 ?
x5 + 5x4 + 10x3 + 10x2 + 5x + 1
x5 + 5x4 + 15x3 + 15x2 + 5x + 1
x5 + 6x4 + 15x3 + 15x2 + 6x + 1
x5 + 1
Which row of the Pascal's Triangle is the number 6 first found in?
3rd
4th
5th
6th
2nd
How many terms are the in the expansion of (1+b)5
5
6
25
50
3
How is the binomial expansion of (1+b)n different from (1-b)n ?
They have a different number of terms.
Their coefficients have alternate + and - signs.
They have different degrees.
There is no difference
Use the Pascal's Triangle to find the first two terms in the expansion (1+b)7
1 & 7b
1 & 7b²
3 & 4
1 & 2
1 & b7
Factor completely.
k2 -2k - 24
(k+4)(k-6)
(k+4)(k+6)
(k+6)(k-1)
(k-4)(k+6)
Factor Completely.
8x3 - 18x
2x(4x2-9)
(4x2+3)(2x-3)
2x(2x+3)(2x-3)
Prime (Can't be factored)
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