ECAT Pre Engineering MCQ Test With Answer for Chapter 21 Mathematics

MCQ's Test For ECAT Mathematics Chapter 21 Linear Inequalities and Linear Programming

Try The MCQ's Test For ECAT Mathematics Chapter 21 Linear Inequalities and Linear Programming

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ECAT Mathematics Chapter 21 Linear Inequalities and Linear Programming

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Question # 1

The points (x, y) which satisfy a linear inequality in two variables x and y from its

Question # 2

2x + 3y > 4 is a linear inequality in

Question # 3

If ab > 0 and a < 0, which of the following is negative?

Question # 4

x = -1 is in the solution of the inequality

Question # 5

The graph of y < 2 is the

Question # 6

A point of a solution region where two of its boundary lines intersect, is called

Question # 7

The graph of y> 0 is the upper - half of:

Question # 8

x = 0 is in the solution of the inequality

Question # 9

(1,0) is in the solution of the inequality

Question # 10

Corner point of the system x - y≤ 2,x + y≤ 4,2x -y≤ 6,x≥ 0,y≥ 0

Question # 11

A function which is to be maximized or minimized is called an

Question # 12

r + 3 >5 then which is true

Question # 13

The point ________ is in the solution of the inequality 2x - 3y > 5

Question # 14

Which is not a half plane

Question # 15

An expression involving any of the symbols <,>,< or > is called

Question # 16

x = _________ is in the solution of 2x + 3 < 0

Question # 17

If x < y, 2x = A, and 2y = B, then

Question # 18

Inequalities have ______ symbol

Question # 19

The graph of linear equation 2x + 3y = 10

Question # 20

(0,0) is in the solution of the inequality

Question # 21

x is a member of the set [-1, 0, 3, 5] y is a member of the set {-2, 1, 2, 4} which is possible?

Question # 22

The solution set of x < 4 is

Question # 23

3x + 4 < 0 is

Question # 24

x = 1 is in the solution of the inequality

Question # 25

3x + 4 > 0 is

Question # 26

The corner point of the boundary lines, x-2y
2x + y = 2 is:

Question # 27

If 4 - x >5, then

Question # 28

For graphing a linear inequality, solid line is drawn if the inequality involves the symbols:

Question # 29

The liner equation ax + by = c is called _________ of the inequality ax +by > c.

Question # 30

ab > 0 and a > 0 then

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ECAT Mathematics Chapter 21 Important MCQ's

Sr.# Question Answer
1 x = ________ is in the solution of 2x - 3 < 0
A. 2
B. -2
C. 3
D. 4
2 x = 1 is in the solution of the inequality
A. x + 1 > 0
B. x - 2 > 0
C. 3x - 1 < 0
D. x + 2 < 0
3 The solution set of the inequality ax + by < c is
A. straight line
B. half plane
C. parabola
D. none of these
4 Each point of the feasible region is called
A. Solution
B. feasible solution
C. Both a & b
D. None
5 Sum of two quantities is at least 20 is denoted by
A. x +y =20
B. x +y≥ 20
C. x +y≠ 20
D. x +y≤20
6 A point of a solution region where two of its boundary lines intersect, is called
A. Boundary
B. Inequality
C. Half plane
D. Vertex
7 The graph of y> 0 is the upper - half of:
A. y-axis
B. x-axis
C. 1st and 4th quandrant
D. 2nd and 3rd quadrant
8 Which is not a half plane
A. ax + by < c
B. ax + by > c
C. Both A and B
D. None
9 x = ________ is in the solution of 2x - 5 > 0
A. 0
B. 2
C. -2
D. 3
10 Order (or sense) of an inequality is changed by multiplying or dividing its each side by a:
A. Zero
B. one
C. negative constant
D. Non negative constant

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