Polynomial Operations

Polynomial Operations

7th Grade

21 Qs

quiz-placeholder

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Polynomial Operations

Polynomial Operations

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

Created by

Jiawei Liu

Used 1+ times

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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the product:
(5n-8)(5n+8)

25n2-64
10n2
5n2+16
16

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the product:
(2x+3)2

2x+3+2x+3
4x2+12x+9
4x2+9
16x2+9

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the sum.
(3y2 + y3 - 5) + (4y2 -4y + 2y3 + 8)

3y+ 7y- 4y + 3
4y2 + 3y3 - y + 3
-y4 + 2y-y - 4
4y+ 3y-3y + 1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the difference. 
(3- 2x + 2x2) - (4x -5 +3x2)

x2 + 6x + 8
2x+ 5x - 7
-x2 -6x + 8
-2x2 + 11x - 4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify the expression.
-3x2( 7x- x + 4)

-21x4 + 3x3 -12x2
7x2 - x + 4 (-3x2)
21x+ 3x+ 12x2
-12x+ 3x-21x4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Multiply.
(b+3)(b2+2b+1)

b3+6b2+6b+3
b3+5b2+7b+3
4b3+8b2+3b
3b3+6b2+3b

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the degree of the polynomial:
7x3 – 8x2 + 9

5
2
6
3

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