Mathematics MCQS for class 12 with Answers Chapter 5

Altitudes of a triangles are

MUtually perpenducular

Concurretn

Collinear

Parallel

The feasible solution, which maximizes or minimizes the objective function, is called the ___________

Maximum solution

Minimum solution

None of these

Optimal solution

The order of sense of an inequality is change by _________ it each side by a negative constant

Multiplying

Adding

None of these

Subtracing

A point of a solution region where two of its boundary lines intersects is called a ________ point of the solution region

Corner

None of these

Maximum

Minimum

Convert a linear programming problem to a mathematical form by using:

Constraints

Parameters

Variables

Constraints

An expression involving any of the symbols <,> or

Not inequality

Equation

Inequality

Identity

x = -1 is in the solution of inequality:

2x +3 < 0

x + 4 < 0

x + 5  < 0

x + 4 < 0

The region of the graph ax + by = c is called the _______ half planes ax + by < c and ax + by < c

Open

Boundary of

Closed

None of these

If the line segment obtained by joining any two points of a region lies entirely within the region, then the region is called ____________

Minimum

Vertex

Convex

Maximum

y = b is a horizontal line perpendicular to _________

None of these

y-axis

x-axis

y axis may be