Which set of values satisfies ?
Answer and explanation
Correct answer: A. or
- Step 1: The sign of the fraction changes at (numerator zero) and (denominator zero). Step 2. A sign table gives a positive quotient for and , zero at , and is not allowed. **Answer: or . Why not the others:** The middle interval gives a negative quotient, makes the denominator zero so it cannot be included, and includes the negative values between and .
Practise more Algebra, Equations and Inequalities.
Free questions with an explanation for every one, and full timed Državna Matura (North Macedonia) mock tests.