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Gr 9 Binomial Theorem 22 Sep 2021

Authored by Sruthi S Panicker

Mathematics

9th Grade

Used 2+ times

Gr 9 Binomial Theorem 22 Sep 2021
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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is row 7 of Pascal's Triangle?

1, 5, 10, 5, 1
1, 5, 10, 10, 5, 1
1, 7, 21, 35, 35, 21, 7, 1
1, 7, 21, 35, 21, 7, 1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Expand (x−7)2

x2 - 14x + 49

-x2 - 14x - 49

x2 + 14x - 49

49x2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What would be the 5th term of the expansion of (n+4)4?

257

256

n4

259

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Choose the right Pascal's triangle

Media Image
Media Image
Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Use the binomial theorem to expand  (4−2z)3\left(4-2z\right)^3  

 64−96z+48z2+8z364-96z+48z^2+8z^3  

 64−96z+48z2−8z364-96z+48z^2-8z^3  

 64+96z+48z2+8z364+96z+48z^2+8z^3  

 64−64z+144z2−8z364-64z+144z^2-8z^3  

7.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Expand (a4-4b)3

(a)  

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