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ECAT Mathematics Chapter 21 Linear Inequalities and Linear Programming Online Test MCQs With Answers
Question # 1
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
Choose an answer
(1,0)
(0,4)
(3,0)
(8,0)
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Question # 2
The corner point of the boundary lines, x- 2x
x+2y=10 is:
Choose an answer
(8,1)
(1,8)
(6,10)
(3,5)
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Question # 3
Choose an answer
p < r
p > rr
p + r < 0
p - r < 0
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Question # 4
x = -1 is in the solution of the inequality
Choose an answer
x + 5 < 0
2x + 3
<
0
x > 0
2x + 3 > 0
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Question # 5
The maximum value of Z = 3x+ 4y subjected to the constrains x+ y≤ 40,x+ 2y≤ 60, x≥ 0 and y≥ 0 is
Choose an answer
120
100
140
160
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Question # 6
Inequalities have ______ symbol
Choose an answer
2
3
4
1
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Question # 7
(1, 2) is in the solution of the inequality
Choose an answer
2x + y > 8
2x + y
<
6
2x - y > 1
2x + 3y < 2
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Question # 8
For graphing a linear inequality, solid line is drawn if the inequality involves the symbols:
Choose an answer
> or <
>
or
<
= or≠
= or >
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Question # 9
An expression involving any of the symbols <,>,
<
or
>
is called
Choose an answer
equation
inequality
linear equation
identity
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Question # 10
The solution set of x < 4 is
Choose an answer
-
∞
< x < 4
-
∞
> x > 4
-
∞
< x < 2
-
∞
> x > 2
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Question # 11
The graph of linear equation 2x + 3y = 10
Choose an answer
Parabola
Circle
Hyperbola
Straight line
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Question # 12
The points (x, y) which satisfy a linear inequality in two variables x and y from its
Choose an answer
domain
range
solution
none of these
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Question # 13
Sum of two quantities is at least 20 is denoted by
Choose an answer
x +y =20
x +y≥ 20
x +y≠ 20
x +y≤20
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Question # 14
3x + 4
<
0 is
Choose an answer
not inequality
equation
identity
inequality
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