Question # 1

3x + 4 = 0 is

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not inequality

equation

identity

inequality

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

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x + y > 3

x - y > 2

3x + 2y > 5

3x - 2y < 2

There may be ______ feasible solution in the feasible region

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Infinite

Finite

Defined

None of above

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

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Parabola

Circle

Hyperbola

Straight line

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

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Two similar regions

Two disjoint regions

Four equal parts

One region

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

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0

2

-1

-2

The graph of y> 0 is the upper - half of:

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y-axis

x-axis

1st and 4th quandrant

2nd and 3rd quadrant

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

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domain

range

solution

none of these

s > t then

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(s - t)²> (t - s)²

(s - t)²< (t - s)²

(s - t)²= (t - s)²

None

x = 1 is in the solution of the inequality

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x + 1 > 0

x - 2 > 0

3x - 1 < 0

x + 2 < 0

Optimize means ______ a quantity under certain constraints

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Minimize

Maximize

Maximize or minimize

None of these

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

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x < x²< x³

x < x³< x²

x²< x³< x

x²< x < x³

x = ________ is in the solution of 2x + 3 > 0

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1

-2

-3

-4

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

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(3, 2)

(2, 3)

(1, 8)

(0, 3)

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ECAT Pre General Science Mathematics Chapter 21 Linear Inequalities and Linear Programming Online Test MCQs With Answers

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