# Mathematics MCQS for class 12 with Answers Chapter 6

#### Mathematics MCQS for class 12 with Answers

ax + b < c is an inequality of one variable
Three variable
None of these
Two variable
One variable

The graph of the inequality ax + by < c is
Straight line
Half plane
Parabola
Circle

A point of a solution region where two of its boundary lines intersect, is called:
Vertex
Both(a)&(b)
Corner point
None of these

The associated equation of inequality x + 2y < 6 is
x – 2y = -6
x + 2y = 6
x – 2y = 6
x + 2y = -6

Which one is a solution of inequality 2x + 3y < 0?
(-1, -2)
(2, 3)
(0, 1)
(1, 2)

The feasible region is __________ if it can easily be enclosed within a circle
Unbounded
Bounded
None of these
Exist

The region of the graph ax + by = c is called the _______ half planes ax + by < c and ax + by < c
None of these
Boundary of
Closed
Open

An expression involving any of the symbols <,> or
Not inequality
Inequality
Equation
Identity

Most general form of 2nd degree ax2 + 2hxy + by2 + 2gx + 2fy + c = 0 form a circle if —————-
none of these
h2 – ab > 0
h2 – ab < 0
h2 – ab = 0

x = 01 is solution of inequality
2x + 3 < 0
2x + 3 > 0
x + 5 < 0
x > 0

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