# Mathematics MCQS for class 12 with Answers Chapter 6

#### Mathematics MCQS for class 12 with Answers

ax+b>0 is an:
Inequality
Identity
N ot inequality
Equation

x = a is a vertical line perpendicular to ____________
x-axis may be
y-axis
x-axis
None of these

For inequalities 2x + y < 10 and x + 4y < 12, the corner point
(12, 3)
(4, 2)
(10, 12)
(5, 10)

The inequality y > b is the closed half plane to the ________ of the boundary line y = b
Left
Below
Above
Right

If r = 0 then x2 + y2 = r2 is called ————— circle
Zero
Point
large
small

y = b is a horizontal line perpendicular to __________
y-axis
none of these
y-axis may be
x-axis

The system of linear inequality concerning the problem is named as problem:
Decision variables
Coefficients
Constaint
None of these

The point (-1, 2) satisfied the inequality
x + y > 4
x – y > 4
x + y < 4
x – y > 4

If a function f(x, y) have same minimum value at any two points, then it is ___________ at all the points of the line segment between these points
Maximum
Minimum
May be maximum
May be minimum

The feasible region is _______ if it cannot be enclosed in a circle
None of these
Unbounded
Exist
Bounded

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