Mathematics MCQS for class 12 with Answers Chapter 5

The order (or sense) of an inequality is change by ____________, it each side by a negative constant

None of these

Adding

Subtracting

Dividing

For inequalities 2x + y < 10 and x + 4y < 12, the corner point

(5, 10)

(4, 2)

(12, 3)

(10, 12)

The solution of ax + by ? c is;

circle

parabola

open half plane

closed half plane

The point (-1, 2) satisfied the inequality

x + y > 4

x – y > 4

x + y < 4

x – y > 4

The vertex of parabola x² – 4x – 8y + 4 = 0 is

(-1, 2)

(-2, 1)

(2, 0)

(1, -2)

A point (x,y) which satisfy a linear inequality in teo variables x & y form its:

Solution

Coefficients

Range

Domain

(2, 1) is in the solution of inequality

2x + y < 6

x – y > 1

3x + 5y < 7

2x + y > 6

An expression involving any one of the symbols <,<,>,> is called

Inequality

Non-unequality

Identity

An equation

(1,3) is one of the solutions of the inequality

3x+5y<7

x+4y>31

x+2y<4

3x+5y>29

ax+b<0 is an:

Equation

Identity

Inequality

N ot inequality