Question # 1

y = b is a horizontal line parallel to _________:

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x - axis

x - axis may be

y - axis

None of these

A region, which is restricted to the ________ quadrant, is referred to as a feasible region for the set of given contraints.

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First

Third

Second

Fourth

The operation _______ by a positive constant to each side of inequality will affect the order (or sense) of inequality:

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Adding

Subtracting

Multiplying

None of these

x = 4 is the solution of inequality:

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x + 3 > 0

x - 3 < 0

-2x + 3 > 0

x + 3 < 0

-4 < y < 4 is the solution of the following:

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y = 5

y = 3

y = -4

y = 4

The ordered pair _____ is a solution of the inequality x + 2y < 6.

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(3, 3)

(1, 1)

(4, 4)

(5, 5)

A solution of a linear inequality in x and y is an ordered pair of numbers, which _______ the inequality.

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Does not satisfy

May be stisfied

Satisfies

None of these

ax + by < c is an inequality of:

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One variable

Threevariable

Twovariable

Fourvariable

The graph of linear equation of the form ax + by = c is a line, which divides the plane into ______ disjoint regions, where a, b and c are constants and a, b are not both zero.

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One

Two

Thre

None of these

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Open

Closed

Open as well as closed

None of these

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At

Not on

On

None of these

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One variable

Three variable

Two variable

Four variable

y = b is a horizontal line perpendicular to ________:

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x - axis

y - axis may be

y - axis

None of these

(1, 0) is the solution of inequality :

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7x + 2y < 8

x - 3y < 0

3x + 5y > 6

-3x + 5y > 2

ax + b < c is a inequality of:

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One variable

Two variable

Three variable

Four variable

For different values of k, the equation 4x + 5y = k represents lines ______ to the line 4x + 5y = 0.

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Perpendicular

Parallel

Equal

None of these

A function, which is to be maximized or minimized is called an ________:

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Maximum function

Objective funciton

Minimum function

None of these

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(1, 1)

(1, 3)

(1, 4)

(1, 5)

There are _______ feasible solutions in the feasible region:

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Finitely

Two

Infinitely many

Three

The inequality y > b is the open half plane to the ______ of the boundary line y = b:

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Above

Left

Below

Right

The non-negative inequalities are called:

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Parameters

Constants

Decision variables

Vertices

x = 2 is a vertical line perpendicular to _____________:

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x - axis

x - axis may be

y - axis

None of these

The graph of linear equation of the form ax + by = c is a _________ where a, b and c are constants and a, b are not both zero.

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Curve

Circle

Straight line

Parabola

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