Mathematics MCQS for class 12 with Answers Chapter 6

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Mathematics MCQS for class 12 with Answers


The variables used in the system of linear inequality relating to the problems of every day life are:
None of these
Non-negative
Positive
Negative

The inequality x < a is the open half plane to the ___________ of the boundary line x = a
Right
Below
Above
Left

x = -5 is in the solution of inequality
x + 5 < 0
x + 4 < 0
2x – 3 > 0
2x + 3 > 0

An expression involving any one of the symbols <,<,>,> is called
Identity
An equation
Inequality
Non-unequality

A solution of a linear inequality in x and y is an ordered pair of numbers, which _______ the inequality
Does not satisfies
Satisfies
None of these
May be satisfies

The region of the graph ____________ is called the boundary of half planes ax + by > c and ax + by < c
None of these
ax + by < c
ax + by = c
ax + by < c

(2, 1) is the solution of the inequality
x + y > 5
x – y > 5
x + y < 5
x + y = 5

Which one satisfies the inequality x + 2y < 6?
(3, 1)
(4, 1)
(1, 3)
(1, 4)

A function which is to be maximized or minimized is called
Linear function
Quadratic function
Objective function
Exponential function

If the line segment obtained by joining any two points of a region lies entirely within the region, then the region is called ____________
Minimum
Maximum
Vertex
Convex

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