Mathematics MCQS for class 12 with Answers Chapter 5

ax+b>0 is an:

N ot inequality

Identity

Equation

Inequality

To find the optimal solution evaluate the objective function at:

Origin only

None of these

Corner points

All points of feasible region

The non-negative constraints are called:

Coefficients

None of these

Decision variables

Solutions

x = c is a vertical line parallel to __________

y-axis

x-axis

None of these

y-axis may be

The operation ___________ a constant to each side of inequality will not affect the order (or sense) of inequality

None of these

Dividing

Multiplying

Adding

The inequality y < b is the open half plane to the __________ of the boundary line y = b

Above

Right

Below

Left

The region of the graph ax + by < c is called ___________ half plane

None of these

Open

Open as well as closed

Closed

x = – 5 is in the solution of

x + 4 > 0

x – 4 > 0

2x + 3 < 0

x > 0

There are ________ ordered pairs that satisfy the inequality ax + by < c

Finitely many

None of these

Two

Infinitely many

If r = 0 then x² + y² = r² is called ————— circle

small

large

Point

Zero