Question # 1

If a+b = 7 and a-b = 3 then value of ab is:

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10

58

29

40

The product of the conjugate surds is ________ number:

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Irrational

Rational

Surd

None of these

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Polynomia

Surd

Rotional

Not a surd

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1

Polynomial means an expression with:

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Two

Four

Many

No term

Every surd is ______ number:

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Rational

Whole

Natural

Irrational

Degree of polynomial means ______ power of variable:

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Lowest

Highest

Both a and b

None of these

Factors of 8x³+27y³:

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(2x+3y)(4x²-6xy+9y²)

(2x-3y)(4x²+6xy+9y²)

(2x-3y)(4x²-6xy-9y²)

(2x-3y)(4x²+6xy-9y²)

Every polynomial is _______ expression:

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Complex

Real

Rational

Irrational

The degree of polynomial is x²y²+3xy+y³:

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1

2

3

4

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LCM

HCF

Addition

Multiplication

(a+b)²+(a-b)² =

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4ab

a+b

2(a²+b²)

ab

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(a-b)2

(a+b)2

a+b

a-b

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7

-7

-1

1

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Mathematics 9th Class English Medium Unit 4 Online Test MCQs With Answers

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