Home › IBPS RRB › Quantitative Aptitude › Quadratic Equations › An equation that looks cubic may turn out, after…
An equation that looks cubic may turn out, after simplifying, to be:
AQuadratic
BLinear only
CCircular
DUnsolvable
Answer & Solution
Correct answer: A. Quadratic
1. The cube terms can cancel on both sides.
2. What remains has degree 2.
3. So it is really quadratic.
_Source: NCERT Class 10 Mathematics, Chapter 4, Quadratic Equations._
Related questions
The study of inequalities is described as useful in solving problems in science and:A firm needing at least 6 units and at most 10 would write that as a:Which sign makes a statement an inequality rather than an equation?Unless stated otherwise, inequalities in that chapter are solved over the set of:The set of all values of the variable that make an inequality true is called its:Solving 4x plus 3 less than 6x plus 7 gives:When x is a real number in that inequality, the solution set is written as:When x is an integer in that inequality, the largest solution is: