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

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  • Chapter NameCh 21 - Linear Inequalities and Linear Programming

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 corner point of the boundary lines, x- 2x
x+2y=10 is:

Question # 2

The point (1,3) is one solution of

Question # 3

The maximum value of Z = 3x+ 4y subjected to the constrains x+ y≤ 40,x+ 2y≤ 60, x≥ 0 and y≥ 0 is

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

There may be ______ feasible solution in the feasible region

Question # 8

3x + 4 < 0 is

Question # 9

s > t then

Question # 10

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

Question # 11

Inequalities have ______ symbol

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

r + 3 >5 then which is true

Question # 17

3x + 4 = 0 is

Question # 18

3x + 4 > 0 is

Question # 19

Which of the following ordered pair is a solution of the inequality x+2y<6?

Question # 20

Sum of two quantities is at least 20 is denoted by

Question # 21

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

Question # 22

Which is not a half plane

Question # 23

The real numbers which satisfy an inequality form its

Question # 24

Maximum value of z =15x +20y subject to 3x+ 4y≤ 12,x,y≥ 0 is given by

Question # 25

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

Question # 26

If 4 - x >5, then

Question # 27

ax + by < c is linear inequality in

Question # 28

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

Question # 29

The point _________ is in the solution of the inequality 2x + 3y < 5

Question # 30

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

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