alleryA linear inequation in one variable can be written as
Aa x + b > c with a, b, c real numbers
Ba x^2 + b x + c = 0 with a not zero
Ca x + b = c with strict equality only
Da x + b y > c with two variables only
Answer & Solution
Correct answer: A. a x + b > c with a, b, c real numbers
1. Section 4.2 lists the standard forms.
2. It uses the variable x to the first power only.
3. Inequality signs >, <, >= or <= appear instead of =.
4. So option A is correct.
_Source: Selina Concise Mathematics Class 10, Ch 4 Linear Inequations in One Variable (Mistral OCR'd PDF), section 4.2_
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