Question # 1

General form of a quadratic equation is.

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ax² + bx + c = 0

ax² + bx + c = 1

ax² - bx - c = 0

ax² + bx - c = 0

If 3^2x + a = 10 3^x in transformed from is y² + 9 = 10y, then the transformation is:

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3^2x = y

3^x = y

1/3^x = y

None of these

The difference of cost price and sales price is called

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Profit%

Loss

Loss%

Profit

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Equal

Possible

Not possible

Zero

If A = [aij], then A+ is :

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[aij]

[bji]

[aji]

[aii]

f (x) = √x is:

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Constant function

Compound function

Not a polynomial function

None of these

Aa^x + Ba^-x = C is a standard form of

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Exponential equation

Linear equation

Quadratic equation

Reciprocal equation

f (x) = √n is:

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Constant function

Compound function

Not a polynomial function

None of these

The origin is:

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(0,x)

(y,0)

(0,0)

(x,y)

B² - 4ac in a quadratic formula is called

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Nature of root

Discriminant

Solution set

Extraneous root

Do AB = BA?

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Never

Yes

May or may not

None of these

Decimal form of 3.75 %

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375

37.5

0.0375

0.375

Profit on an item of cost Rs.1000 C4.5% is:

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Rs.45

Rs.955

Rs.50

None of these

In order to find profit % we use

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Formula to calculate compounded amount is:

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P(1 + i)ⁿ

P(1 + i)^-n

R (1 + i)

P (1 - i)ⁿ

Never ending annuity is:

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Ordinary annuity

Annuity due

Perpetuity

Annuity

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