ECAT Pre Engineering Mathematic MCQ Test With Answer for Chapter 21 (Linear Inequalities and Linear Programming)

MCQ's Test For ECAT (Pre-Eng) Mathematics Chapter 21 Linear Inequalities & Linear Programming

Try The MCQ's Test For ECAT (Pre-Eng) Mathematics Chapter 21 Linear Inequalities & Linear Programming

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ECAT (Pre-Eng) Mathematics Chapter 21 Linear Inequalities & Linear Programming

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Question # 1

If -1 < x < 0, which of the following statements must be true?

Question # 2

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

Question # 3

Sum of two quantities is at least 20 is denoted by

Question # 4

x = 1 is in the solution of the inequality

Question # 5

A ________ divides the plane into left and right half planes.

Question # 6

x = ________ is in the solution of 2x - 5 > 0

Question # 7

The set of ordered pairs (x,y) such that ax+ by < c, and (x,y) such that ax + by>0, are called

Question # 8

The feasible region which can be enclosed within a circle is called

Question # 9

The point (1,3) is one solution of

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

ax + by < c is linear inequality in

Question # 14

Multiplying each side of an inequality by (-1) will:

Question # 15

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

Question # 16

The real numbers which satisfy an inequality form its

Question # 17

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

Question # 18

x = -1 is in the solution of the inequality

Question # 19

x = ________ is in the solution of 2x - 3 < 0

Question # 20

The graph of y < 2 is the

Question # 21

Each point of the feasible region is called

Question # 22

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

Question # 23

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

Question # 24

For which of the following ordered pairs (s, t) is s + t > 2 and s - t < -3?

Question # 25

A point (x,y) which satisfy a linear inequality in two variables form its

Question # 26

3x + 4 > 0 is

Question # 27

The point ________ is in the solution of the inequality 2x - 3y < 4

Question # 28

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

Question # 29

The graph of the linear equation of the form ax =by = c is a line which divided the plane into:

Question # 30

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

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ECAT Mathematics Chapter 21 Important MCQ's

Sr.# Question Answer
1 If x < y, 2x = A, and 2y = B, then
A. A = B
B. A < B
C. A < x
D. B < y
2 The maximum value of Z = 3x+ 4y subjected to the constrains x+ y≤ 40,x+ 2y≤ 60, x≥ 0 and y≥ 0 is
A. 120
B. 100
C. 140
D. 160
3 The feasible region which can be enclosed within a circle is called
A. Bounded region
B. Convex region
C. Unbounded region
D. None
4 Which of the following is not a solution of system of inequalities 2x- 3y ≤6,2x +y≥ 2,x +2y≤ 8, x≥ 0,y ≥ 0
A. (1,0)
B. (0,4)
C. (3,0)
D. (8,0)
5 Optimize means ______ a quantity under certain constraints
A. Minimize
B. Maximize
C. Maximize or minimize
D. None of these
6 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
7 (1, 2) is in the solution of the inequality
A. 2x + y > 8
B. 2x + y < 6
C. 2x - y > 1
D. 2x + 3y < 2
8 Multiplying each side of an inequality by (-1) will:
A. Not effect
B. Change the sign
C. Become zero
D. Not defined
9 The real numbers which satisfy an inequality form its
A. solution
B. coefficient
C. domain
D. range
10 Maximum value of z =15x +20y subject to 3x+ 4y≤ 12,x,y≥ 0 is given by
A. 46
B. 60
C. 50
D. 70

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