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10 questions
Expand (x−7)2
x2 - 14x + 49
-x2 - 14x - 49
x2 + 14x - 49
49x2
Select the coefficients of the 5th Row in Pascal's Triangle
1;3;3;1
1;4;6;4;1
1;5;10;10;5;1
1;6;15;20;15;6;1
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
Expand (d-5)5
d5 - 25 d4 + 250 d3 - 1250 d2 + 3125 d - 3125
d5 + 25 d4 + 250 d3 + 1250 d2 + 3125 d + 3125
d4 - 20d3 + 150d2 - 750d + 3125
d4 + 20d3 + 150d2 + 750d + 3125
What would be the 5th term of the expansion of (n+4)4?
257
256
n4
259
What would be the 2nd term of the expansion of (y+4)4?
253y
16y3
64y
96y2
What would be the 4th term of the expansion of (a+3)4?
108a
12a3
81
27a
What would be the 6th term of the expansion of (m-3)5?
m5
-243
-244
405m
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