Chua Yi Cheng's answer to Yesha Vaishnav's Secondary 4 A Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
use the discriminant method, real roots means b^2 - 4ac cannot be less than 0! i hope you understand !
Date Posted:
2 years ago
360 Tutoring Program