Adding, substracting and multiplying polynomial

Adding, substracting and multiplying polynomial

10th Grade

10 Qs

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Adding, substracting and multiplying polynomial

Adding, substracting and multiplying polynomial

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Medium

Created by

Roxi Alvarado

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve (3 x + 4 ) (3 x - 4 )

9x2 - 16

9x - 4

3x - 16

9x2 - 12x + 8

Answer explanation

Media Image

(a + b)(a - b) = a2 - b2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(x - 2)2

x2 - 4

x2 + 4x + 4

x2 - 4x + 4

x - 4x - 4

Answer explanation

Media Image

(a - b)2= a2 - 2ab + b2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(8x + 1 )(7x - 2) =

56x - 9x + 2

56x2 - 9x - 2

5x - 2

15x - 2

Answer explanation

Media Image

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2x3 (3x4 + 9x2 -3x + 1)

6x +18x5 - 6x4 + 2x2

6x7 18x - 6x4 + 2x3

6x12 +18x5 - 6x4 + 2x3

6x7 +18x5 - 6x4 + 2x3

Answer explanation

Media Image

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

( 3x + 2)2

6x2 - 12x + 4

9x2 + 12x + 4

9x4 + 12x + 4

9x + 12x + 4

Answer explanation

Media Image

( a + b)2 = a2 + 2ab + b2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(5x3 - 8x2 + 4x) + (2x3 + 4x - 3)

7x3 -8x2 + 8x - 3

10x9 -8x2 + 8x - 3

5x9 -8x2 + 8x - 3

10x3 -32x2 + 8x - 3

Answer explanation

Media Image

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(10x5 -4x4 - 3x2 + 1) - (2x5 + 3x4 - 5x + 3) =

8x5 - 7x4 - 3x2 + 5x - 2x

12x5 - 7x4 - 3x2 - 5x - 2

8x5 - 7x4 - 3x2 - 5x - 2

20x10 - 1x4 - 3x2 - 5x - 2

Answer explanation

Media Image

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