Mathematics MCQS for class 12 with Answers Chapter 6

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 2^nd 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