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

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

Question # 2

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

Question # 3

x = -1 is in the solution of the inequality

Question # 4

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

Question # 5

Inequalities have ______ symbol

Question # 6

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

Question # 7

Which is not a half plane

Question # 8

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

Question # 9

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

Question # 10

Optimal solution is found by evaluation the objective function at

Question # 11

Optimize means ______ a quantity under certain constraints

Question # 12

ax + by < c is linear inequality in

Question # 13

The total cost of 2 apples and 3 oranges is $1.70, which of the following is true

Question # 14

3x + 4 > 0 is

Question # 15

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

Question # 16

3x + 4 < 0 is

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

x = 1 is in the solution of the inequality

Question # 21

x = 0 is in the solution of the inequality

Question # 22

If 4 - x >5, then

Question # 23

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

Question # 24

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

Question # 25

The solution set of x < 4 is

Question # 26

The solution set of the inequality ax + by < c is

Question # 27

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

Question # 28

ab > 0 and a > 0 then

Question # 29

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

Question # 30

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

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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 A farmer possesses 100 hectometers of land and wants to grow corn and wheat. Cultivations of corn requires 3 hours per hectometer while cultivation of wheat requires 2 hours per hectometer. Working hours cannot exceed 240. If he gets a profit of Rs. 20 per hectometer for corn and Rs. 15 per hectometer for wheat. The profit function for the farmer is
A. P(x, y) = 20x + 15y
B. P(x, y) = 2x + 3y
C. P(x, y) = x + y
D. P(x, y) = 3x + 2y
3 Multiplying each side of an inequality by (-1) will:
A. Not effect
B. Change the sign
C. Become zero
D. Not defined
4 r + 3 >5 then which is true
A. r + 2 > 4
B. r + 2 < 4
C. r + 2 = 4
D. None
5 If ab > 0 and a < 0, which of the following is negative?
A. b
B. -b
C. -a
D. (a - b)2
6 The points (x, y) which satisfy a linear inequality in two variables x and y from its
A. domain
B. range
C. solution
D. none of these
7 3x + 4 < 0 is
A. not inequality
B. equation
C. identity
D. inequality
8 The corner point of the boundary lines, x-2y
2x + y = 2 is:
A. (2,6)
B. (6,2)
C. (-2,2)
D. (2,-2)
9 The point ________ is in the solution of the inequality 2x - 3y < 4
A. (0, -2)
B. (1, -3)
C. (2, 2)
D. (3, 0)
10 The graph of the linear equation of the form ax =by = c is a line which divided the plane into:
A. Two similar regions
B. Two disjoint regions
C. Four equal parts
D. One region

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