Question # 1

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

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Linear Inequalities

Feasible regions

Half planes

Boundary

Optimize means ______ a quantity under certain constraints

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Minimize

Maximize

Maximize or minimize

None of these

ab > 0 and a > 0 then

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a > b

a < b

a = b

None

The corner point of the boundary lines, x-2y

2x + y = 2 is:

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(2,6)

(6,2)

(-2,2)

(2,-2)

The corner point of the boundary lines, x- 2x

x+2y=10 is:

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(8,1)

(1,8)

(6,10)

(3,5)

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

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(1, -1)

(2,2)

(0,0)

(3,0)

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

Order (or sense) of an inequality is changed by multiplying or dividing its each side by a:

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Zero

one

negative constant

Non negative constant

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p < r

p > rr

p + r < 0

p - r < 0

A ________ divides the plane into left and right half planes.

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Vertical line

Horizontal line

Non vertical line

Inequality

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

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Not effect

Change the sign

Become zero

Not defined

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

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2

-2

3

4

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

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(0, -2)

(1, -3)

(2, 2)

(3, 0)

Inequalities have ______ symbol

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2

3

4

1

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

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