Mathematics MCQS for class 12 with Answers Chapter 5

x = -5 is in the solution of inequality

2x + 3 > 0

2x – 3 > 0

x + 4 < 0

x + 5 < 0

The region of the graph ax + by > c is called _________ half plane

Open

None of these

Closed

Open as well as closed

A set consisting of all the feasible solutions of the system of linear in equalities is called:

Feasible Solution set

Both(a)&(b)

Solution set

None of these

The points where th hyperbola meets the focal axis are called is

co-vertices

vertices

Directrices

foci

If the solution region is restricted to the 1st quadrant then it is called:

Both(a)&(b)

None of these

Feasible region

Feasible solution

The graph of 2x + y < 2 is the open half plane the region is _________ the origin side of 2x + y = 2

None of these

Not on

At

On

(2, 1) is the solution of the inequality

x + y > 5

x + y = 5

x + y < 5

x – y > 5

The solution region restricted to 1st quadrant is

Feasible solution

Feasible region

Optimal origin

Solution region

If a plane passes through the vertex of cone then the intersection is

a point circle

Ellipse

Hyperbola

parabola

If e = 0, then conic is called —————-

ellipse

hyperbola

circle

parabola