Question # 1

The increase in dependent variable that results when the independent variable increases by one unit in a simple lines. function is called.

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Y intercept of the curve

Slope of the curve

X intercept of the curve

Marginal value

A set totality of elements from all possible sets is called.

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Union set

Intersection set

Universal set

Unit set

A positive definite Hessian fulfills the second order conditions for

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Maximum

Minimum

Both maximum and minimum

Mini max

If matrix A is matrix of order n x m and B is another matrix of order m x n, then BA will be the matrix of order.

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n x m

m x n

n x n

m x m

Matrix multiplication does not satisfy

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Associative law

Distributive law

Commutative law

None of the above

A determinant composed of all the first order partial derivatives of a system of equations, arranged in ordered sequence is called.

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Hassian determinatn

Jacobian determiant

Discrimianant

First order determinant

Collection of well defined distinct objects thought of as a whole is called

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Union

Derivative

Set

Integral

any number raise to the power zero is always equal to.

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zero

one

two

The number itself

If A and B are symmetric matrices, then A +B is

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Symmetric

Non symmetric

Skew symmetric

Non skew symmetric

The objects constituting a set are called

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Estimates

Elements

Set object

Noe of these

If a consumer's budget constraint is given as P, X,+ Py Y = B thent he absolute slope of the budget line is.

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B

x/y

P/Py

None of these

Union of A and the universal set is

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A

A'

Universal set

None of these

If every element of a set B is also an elements of A then

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A is a subset of B

B is a subset of A

A is not a subset of B

B is not a subset of A

For any square matrix a of order 'n'a (Ad)A) is equal to.

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(Ad) A) A

Determinant A

Rank of A

Both a and b

Given the demand function qo = -8p +2000 and tis inverse p = -1/8 qo + 250 ,p in the inverse function which is interpreted as the maximum price that buyers are willing to pay for the.

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Supply price

Demand price

Equilibrium price

Reserved price

The determinant of quadratic form is called.

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Jacobian determinant

Hessian determinant

Discriminant

None of these

The sufficient condition required for the matrix to posses inverse is that the matrix should be.

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square matrix

Singular matrix

Non singular matrix

Orthogonal matrix

If B is a subset of A, then AUB =

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B

Intersection of A and B

A

None of these

A determinant compose of all the second order partial derivatives, with the second order direct partials on the principal diagonal and the second order cross partials off the principal diagonal and which is used to second order condition of optimization is called.

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Jacobian determinant

Hessian determinant

Discriminant

None of these

The associative law of union is

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AU (BUC= (AUB)

U C

AUB = BUA

BUC = BUA

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