Mathematics MCQS for class 12 with Answers Chapter 6

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