Question # 1

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

In a matrix , if there is only one row but any number of columns, it is called.

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Row matrix

Column matrix

Raw vector

Both a and c

A set containing only one element is termed as

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Unit set

Singleton set

Both a and b

None of these

If A is a square matrix of order ' n' and lis the unit matrix of the same order then A 1 is equal to.

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A

1A

1

Both a and b

If every elements of a raw or column of a square matrix A is zero, then the value of the determinant .

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Equal

Zero

One

Negative related

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

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zero

one

two

The number itself

Given the demand and supply cautions qo = -8p + 2000 and qs = 12 p - 200 respectively the equilibrium price.

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p = 100

p = 110

p = 120

p = 140

If the columns of a given matrix A and B are changed into rows and vice versa, the matrix thus obtained is called the.

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Symmetric matrix

Transpose of a matrix

Singular matrix

Rank of matrix

If B is a subset of A, then AUB =

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B

Intersection of A and B

A

None of these

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

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

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

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

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

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B - A

A - B

A'

B'

A diagonal matrix whose diagonal elements are equal is called.

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Unit matrix

Singular matrix

Scalar matrix

Non singular matrix

The simplest form of rectangular hyperbola is

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y = 1/x

y = x2

y = x-2

y = x3

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

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Equations

Hypothesis

Inequality

All of above

Th transpose of the cofactor matrix is called.

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Adjoin of the matrix

Power of a matrix

Minor of the matrix

Rank of a matrix

Unknown values in an equation are called.

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Constants

Numeraire

Variables

All of the above

A square matrix A, such that A = A ' is called a

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Symmetric matrix

Skew symmetric matrix

Singular matrix

Rank of a matrix

If each element of a raw or column is a sum of two elements, the determinant can be expressed as the

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Sun of two determinants

Difference of two determinants

Multiplication of two determinants

Division of two determinants

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