# Mathematics MCQS for class 12 with Answers Chapter 6

#### Mathematics MCQS for class 12 with Answers

The graph of 2x + y > 2 is the open half plane the region is ________ the origin side of 2x + y = 2
On
At
None of these
Not on

If a plane passes through the vertex of cone then the intersection is
Hyperbola
parabola
Ellipse
a point circle

Solution of inequality x + 2y < 6 is
(1, 1)
(1, 3)
(1, 5)
(1, 4)

If the solution region is restricted to the 1st quadrant then it is called:
Feasible region
None of these
Both(a)&(b)
Feasible solution

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

The vertex of parabola x2 – 4x – 8y + 4 = 0 is
(1, -2)
(-2, 1)
(-1, 2)
(2, 0)

The inequality ax +by < C when a = 0 represents __________ half plane
Left or right
Upper or lower
Open
None

(3, 2) is not in the solution of inequality
3x + 7y > 3
x + y > 2
3x + 5y < 8
3x + 5y > 8

A point of a solution region where two of its boundary lines intersects is called a ____________ of the solution region
Maximum
None of these
Vertex
Minimum

The operation _________ by a positive constant to each side of inequality will not effect the order (or sense) of inequality