Quiz about Polynomial Identities, Pascal's Triangle, Regression Equation

Question 1

Find the product of (2x - 3y)(2x + 5y) using suitable identity.

Accepted Answer

2x²+ 4xy - 15xy

Answer

x²+ 4xy - 15xy

Answer

x²- 15xy - 15xy

Answer

2x²- 6xy - 15xy

Question 2

How many equations in the given are identities?

Accepted Answer

1

Answer

2

Answer

3

Answer

0

Question 3

Is it a polynomial?

Accepted Answer

yes

Answer

no

Question 4

Question 4.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 5

Select the coefficients of the 5th Row in Pascal's Triangle

Accepted Answer

1;5;10;10;5;1

Answer

1;3;3;1

Answer

1;4;6;4;1

Answer

1;6;15;20;15;6;1

Question 6

Choose the right Pascal's triangle

Accepted Answer

C) Triangle 3

Answer

A) Triangle 1

Answer

B) Triangle 2

Answer

D) Triangle 4

Question 7

Find the element in Pascal's Triangle. 8th row and 6 element.

Accepted Answer

56

Answer

28

Answer

7

Answer

0

Question 8

What is the Binomial expansion of (x + 1)⁵ ?

Accepted Answer

x⁵ + 5x⁴ + 10x³ + 10x² + 5x + 1

Answer

x⁵ + 5x⁴ + 15x³ + 15x² + 5x + 1

Answer

x⁵ + 6x⁴ + 15x³ + 15x² + 6x + 1

Answer

x5 + 1

Question 9

If the top row of Pascal's Triangle is row 0, then what is the sum of the numbers in the eighth row?

Accepted Answer

256

Answer

255

Answer

257

Answer

260

Answer

264

Question 10

Find the coefficient of the x³ term in (x-3)¹⁰

Accepted Answer

262440

Answer

3240x3

Answer

3240

Answer

262440x3

Question 11

Expand (d-5)⁵

Accepted Answer

d⁵ - 25 d⁴ + 250 d³ - 1250 d² + 3125 d - 3125

Answer

d⁵ + 25 d⁴ + 250 d³ + 1250 d² + 3125 d + 3125

Answer

d⁴- 20d³+ 150d²- 750d + 3125

Answer

d⁴+ 20d³+ 150d²+ 750d + 3125

Question 12

How many rows in The Pascal's triangle?

Accepted Answer

Infinite

Answer

7

Answer

8

Answer

100

Question 13

Question 13.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 14

Question 14.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 15

Select the correct expansion of (1 + 4x)³

Accepted Answer

1 + 12x + 48x² + 64x³

Answer

1 + 12x + 12x² + 4x³

Answer

1 + 3x + 3x² + x³

Answer

1 + 4x + 16x² + 64x³

Question 16

Use Pascal's Triangle to find the 4th term in the expansion of (4x-3)⁵.

Accepted Answer

-4320x2

Answer

5760

Answer

5760x3

Answer

-4320

Question 17

Which of the following is the coefficient for the xy³ term of the expansion (3x-2y)⁴?

Accepted Answer

-96

Answer

4

Answer

-24

Answer

216

Polynomial Identities, Pascal's Triangle, Regression Equation

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