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8th Mathematics Monthly Test -4 ( Algebra )

MABS Institution

8th Mathematics Monthly Test -4 ( Algebra )-Aug 2020

Time : 1.30 Hours

Part - A

Multiple Choice Question - Answer All Question

Square of (3x - 4y) is _______.

9x²-16y²
6x²-8y²
9x²+ 16y² + 24xy
9x² + 16y²-24xy

Which of the following is correct?

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

Common factor of 3ab and 2pq is _________.

1
-1
a
c

The missing terms in the product -3m3n X9(_)m⁴n³ are

mn²,27
m²n,27
m²n²,-27
mn²,-27

In a polynomial, the exponents of the variables are always ___________.

integers
positive integers
non negative integers
non-positive integers

Product of 6a² - 7b + ab and 2ab is __________.

12a³b - 14ab² + 10 ab
12a³b - 14ab² + 10 a²b²
6a²b - 7b² + 7 ab
12a²b -7ab² + 10 ab

Common factor of 17abc, 34ab², 51a² b is _________.

17 abc
17 ab
17 ac
17 a²b²c²

If the area of a square is 36x⁴y²then, its side is______

6x⁴y²
8x²y²
6x²y²
-6x²y

The product of 7p³ and (2p²)² is

14p¹²
28B⁷
9p⁷
11p¹²

The product of a monomial and a binomial is a __________.

monomial
binomial
trinomial
none of these

Part - B

Generic 2 - Answer All Question

(p⁵q²+24p³q-128q³)\(\div \) 6q

Subtract: -2(xy)²(y³+7x2y+5) from 5y²(x²y³-2x⁴y-10x²)

Expand using appropriate identitie
(2x - 5d)²

Find the missing term 6xy×_________= −12x³y

Factorize the following 10x²+15y²

Expand (xy +yx)²

Part - C

Generic 3 - Answer All Question

Evaluate the following 95 x 97

Find the product of the following
3ab²c³ by 5a³b²c

Factorize x² -7x- 8
Evaluate the following
107X103

Divide 24a³b³ by -8ab

Factorize
x²+8x+16

Find the product of the following
\(\cfrac { 3 }{ 14 } { x }^{ 2 }yby\cfrac { 7 }{ 2 } { x }^{ 4 }y\)

Part - D

Generic 5 - Answer All Question

If m - n = 16 and m² + n² = 400 find mn.

The area of a square is 4x²- + 12xy + 9y²-. Find its side.

Divide.9m⁵+12m⁴-6m² by 3m²

Simplify (5 -x) (3 - 2x) (4 - 3x).

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