Question # 1

A second degree equation in one variable x is of the form:

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ax²+c

ax²+bx+c

ax+bx+c

ax²+b

The factors of 3x²-7x-20=0 are:

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(x-4)(3x+5)

(x+4)(3x-5)

(x-4)(3x-5)

(x+4)(3x+5)

Two linear factors x²-15x+56 are:

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(x-7) and (x+8)

(x+7) and (x-8)

(x-7) and (x-8)

(x+7) and (x+8)

Factors of 5x²-30=0 are:

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5x(x+6)

6x(x+5)

6x(x-5)

5x(x-6)

Solution set of equation 5x²-125 = 0 is:

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{5}

{10}

{-5}

Number of terms in standard Quadratic Equation ax²+bx+c = 0

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1

2

3

4

In ax²+b+c, the co-efficient of x² is:

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c

b

d

a

An equation of the type 3^x+3^2-x+6 = 0 is called a/an:

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Reciprocal equation

Radical equation

Exponential equation

None of these

The standard form of quadratic equation is:

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x²+6=7x

x²-7x=6

7x+6=x²

x²-7x+6=0

If variables occurs in exponent, then such equations are called:

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Constant equations

Linearequations

Exponentialequations

Binomialequations

A root of an equation, which do not satisfy the given equation is called:

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Endogenous root

Extraneous root

Internal root

Radical root

The number of methods to solve a quadratic equation is:

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1

2

3

4

In equation ax⁴+bx²+c=0, we replace:

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x² = y

x= y

x⁴= y

x³= y

Quadratic equation is also known as equation of:

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Standard form

Polynomials

Second degree

Higher order

Standard form of quadratic equation is:

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10th Class Mathematics Chapter 1 Quadratic Equation English Medium KPK Boards Online MCQ's MCQs With Answers

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