What is the discriminant of ?
Answer and explanation
Correct answer: D.
- Step 1: With , , the discriminant is . Step 2. Compute . **Answer: . Why not the others:** treats as ; 29 and 19 use the wrong product .
Practise more Algebra, Functions and Calculus.
Free questions with an explanation for every one, and full timed Pancyprian Examinations (Cyprus) mock tests.