John Oon's answer to sarah's Secondary 3 A Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Use discriminate to prove.
Date Posted:
2 years ago
ax² + bx + c = 0 , Discriminate = b² - 4ac > 0 ⇾ The quadratic equation has real and distinct roots.
360 Tutoring Program