Mathematics MCQS for class 12 with Answers Chapter 5

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Mathematics MCQS for class 12 with Answers


(1, 3) is in the solution of region
x – y = 0
x + y = 2
x + y < 0
x + y > 0

The linear equation ___________ is called the associated or corresponding equation of the inequality ax + by > c
ax + by < c
ax + by < c
ax + by = c
ax + by > c

The linear equation _________ is called the associated or corresponding equation of the inequality ax + by < c
ax + by < c
ax + by = c
ax + by > c
ax + by > c

The non-negative inequalities are called
Vertices
Decision variables
Parameters
Constant

The inequality 2x + 3y < 5 is satisfied by point
(-2, 1)
(-2, 3)
(1, 2)
(1, 1)

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

x=-1 is one of the solutions of the inequality :
3x+5
2x+3 >0
x+7<0
None of these

x = 0 is the solution of the inequality
2x – 1 > 0
2x + 1 < 0
2x + 1 > 0
2x + 1 < 0

(0,0) is one of the solutions of the inequality :
3x+5y>7
2x-3y>4
x+3y>5
2x+3y<5

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
May be maximum
Minimum
Maximum
May be minimum

The feasible solution which maximizes or minimizes the objective function is called the :
Both(a)&(b)
Feasible region
Optimal solution
None of these

(0, 0) is the in the solution of inequality
x – 3y > 0
3x + 5y > 7
7x + 2y > 0
3x + 5y > 7

The inequality x > a is the closed half plane to the ___________ of the boundary line x = a.
Right
Above
Below
Left

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

(3,2) is not in the solution of inequality:
x +y > 2
3x – 7y < 3
x +y ? 1
3x + 5t > 7

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

An expression involving anyone of the symbols < (less than), > (greater, then) ? (less then or equal to), ? greater than or equal to) is called.
inequality
equation
linear equation
Identity

ax + by > c is an inequality of
One variable
Two variable
None of these
Three variable

There are _________ feasible solution in the feasible region
two
Finitely many
None of these
Infinitely many

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