ECAT Mathematics Chapter 21 Linear Inequalities and Linear Programming Online Test With Answers

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ECAT Mathematics Chapter 21 Linear Inequalities and Linear Programming Online Test

Sr. # Questions Answers Choice
1 If ab > 0 and a < 0, which of the following is negative? b -b -a (a - b)<sup>2</sup>
2 If x < y, 2x = A, and 2y = B, then A = B A &lt; B A &lt; x B &lt; y
3 The point ________ is in the solution of the inequality 2x - 3y < 4 (0, -2) (1, -3) (2, 2) (3, 0)
4 (2, 1) is in the solution of the inequality 2x + y <u>&gt;</u> 7 x - y &gt; 2 3x + 5y &lt; 6 2x + y &lt; 6
5 The point ________ is in the solution of the inequality 4x - 3y < 2 (0,1) (2,1) (2,2) (3,3)
6 The point ________ is in the solution of the inequality 2x - 3y > 5 (1, -1) (2,2) (0,0) (3,0)
7 The point _________ is in the solution of the inequality 2x + 3y < 5 (1,1) (2,2) (0,1) (0,2)
8 (1, 2) is in the solution of the inequality 2x + y &gt; 8 2x + y <u>&lt;</u> 6 2x - y &gt; 1 2x + 3y &lt; 2
9 (0,0) is in the solution of the inequality x + y &gt; 3 x - y &gt; 2 3x + 2y &gt; 5 3x - 2y &lt; 2
10 (0,1) is in the solution of the inequality 3x + 2y &gt; 8 2x - 3y &lt; 4 2x + 3y &gt; 5 x -2y &lt; -5
11 (1,0) is in the solution of the inequality 3x + 2y &gt; 8 2x - 3y &lt; 4 2x + 3y &gt; 3 x - 2y &lt; -5
12 (1, 1) is the in the solution of the inequality 3x + 4y &gt; 3 2x + 3y &lt; 2 4x = 3y &gt; 5 2c - 3y &gt; 2
13 The solution set of the inequality ax + by < c is straight line half plane parabola none of these
14 The points (x, y) which satisfy a linear inequality in two variables x and y from its domain range solution none of these
15 x = ________ is in the solution of 2x - 5 > 0 0 2 -2 3
16 x = ________ is in the solution of 2x - 3 < 0 2 -2 3 4
17 x = ________ is in the solution of 2x + 3 > 0 1 -2 -3 -4
18 x = _________ is in the solution of 2x + 3 < 0 0 2 -1 -2
19 x = -1 is in the solution of the inequality x + 5 &lt; 0 2x + 3 <u>&lt;</u> 0 x &gt; 0 2x + 3 &gt; 0
20 x = 1 is in the solution of the inequality x + 1 &gt; 0 x - 2 &gt; 0 3x - 1 &lt; 0 x + 2 &lt; 0
21 x = 0 is in the solution of the inequality x &gt; 0 3x + 4 &lt; 0 x + 3 &lt; 0 x - 2 &lt; 0
22 The real numbers which satisfy an inequality form its solution coefficient domain range
23 ax + by < c is linear inequality in four variables three variables two variables one variable
24 2x + 3y > 4 is a linear inequality in one variable two variables three variables none of these
25 An expression involving any of the symbols <,>,< or > is called equation inequality linear equation identity
26 3x + 4 = 0 is not inequality equation identity inequality
27 3x + 4 < 0 is not inequality equation identity inequality
28 3x + 4 < 0 is inequality equation identity not inequality
29 3x + 4 > 0 is equation inequality identity none of these
30 3x + 4 > 0 is equation identity inequality none of these
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