Class 9 Mathematics · Chapter 5 · Test 2
Inequalities in Two Variables
40 MCQs
38 questions · 35 min · 38 marks
Want to try first? Take the free Mathematics test: Rational and Irrational Numbers
Sample questions
The first 5 of 38. Try each one, then tap to see the answer.
Question 1
A solution of a linear inequality in x and y is:
- Aan ordered pair that satisfies the inequality
- Bany real number
- Conly the origin
- Da straight line
Show answerHide answer
Answer: A
A solution is an ordered pair (x and y) that makes the inequality true.
Question 2
The line ax + by = c is called the ______ of the half planes.
- Avertex
- Bregion
- Cboundary
- Dconstraint
Show answerHide answer
Answer: C
The line separating the two half planes is their boundary.
Question 3
The graph of ax + by = c divides the plane into:
- Aone region
- Bthree regions
- Cfour quadrants
- Dtwo disjoint regions
Show answerHide answer
Answer: D
The line divides the plane into two disjoint half planes.
Question 4
The linear equation obtained by replacing the inequality sign with an equals sign is called its:
- Aobjective equation
- Bassociated equation
- Cquadratic equation
- Dfeasible equation
Show answerHide answer
Answer: B
The corresponding equation is called the associated equation.
Question 5
The linear equation formed out of the linear inequality is called:
- Alinear equation
- Bassociated equation
- Cquadratic equation
- Dnone of these
Show answerHide answer
Answer: B
The textbook calls it the associated or corresponding equation.
More tests in Linear Equations and Inequalities
Practise with a free account
Save your scores, see which chapters need work, and keep a notebook of every question you got wrong.