Question # 1

The set of subsets of a set A is called.

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Power set of A

Complement of A

Both a and b

None of these

A variable which is free to take any value we choose to assign to it is called.

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Dependent variable

Independent variable

Endogenous variable

Explained variable

The determinant of a matrix and that of its transpose are

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Equal

Zero

One

Negatively related

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

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Equations

Hypothesis

Inequality

All of above

Union of A and the universal set is

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A

A'

Universal set

None of these

A inverse is defined only if A is a

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Square matrix

Column vector

Orthogonal matrix

Skew symmetric matrix

(A+B) = (B+A) this law of matrices is known as.

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Cumulative law

Associative law

Distributive law

Identity law

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

"No two elements of a set are identical" this statements is.

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Always true

Sometimes true

Not true

All of the above is possible

Unknown values in an equation are called.

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Constants

Numeraire

Variables

All of the above

The slope of a horizontal line is.

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One

Zero

Three

two

The signed minor of the matrass A is called.

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Adjoin

Co factor

Minor

Rank

If every 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

Not equal

A polynomial equation with degree two a called.

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Linear equation

Quadratic equation

Parabola equation

All of the above

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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