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

Ordered Pairs of two sets are called.

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Elements

Function

Cartesian product

None of the above

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 simplest form of rectangular hyperbola is

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y = 1/x

y = x2

y = x-2

y = x3

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

If each element of a raw of column of a square matrix A is zero, then the value of the determinant. is.

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Equal

One

Zero

None of these

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

AB = BA = 1 , then B is said to

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Ad joint of matrix of A

Inverse matrix of A

Determinant of A

Cofactor of a

An equation in which all variables are raised to the first power is known as.

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Linear equation

Non linear equation

Quadratic equation

Polynomial of degree two

If any equation involving two variables, such as y -=2x + 1, the variable that appears on the right hand side of the equation is by convention called.

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Dependent variable

independent variable

Endogenous variable

Explained variable

If a Set C contain all the elements which are present in both the set A and B then set C is called.

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Union of A and B

Intersection of A and B

Complement of A

Complement of B

Relation between two numbers or variables are called.

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Function

Binary relation

Inverse relation

None of the above

If matrix A is of m x n dimension, then A will be

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n x m dimension

m x n dimension

n x p dimension

m x m dimension

The associative law of union is

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AU (BUC= (AUB)

U C

AUB = BUA

BUC = BUA

Union of A with B is same as union of B with A, that is AUB = BUA is termed as

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Associative law of union

Cumulative law of union

Reflective law

All the above

For any square matrix A of order 'n' a +A is.

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Skew symmetric

Non skew symmetric

Symmetric

Non symmetric

If the determinant formed by the elements of the matrix is not equal to zero, then the matrix is called.

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Skew symmetric

Symmetric

Singular

Non -singular

The equilibrium price and quantity , given the inverse demand and supply functions.

po = 3q +30 and p s = 2q -5

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p = 9 and q = 7

p = 10 and q = 7

p = 9 and q = 8

p = 7 and q = 9

A mathematical statement setting two algebraic expressions equal to each other is called.

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Equations

Hypothesis

Inequality

All of above

A inverse is defined only if A is a

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Square matrix

Column vector

Orthogonal matrix

Skew symmetric matrix

The set of all elements belonging to A but not to B is.

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B - A

A - B

A'

B'

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