Maths
>
A-Level
>
Algebra & Functions
>
If the dis...
Question
If the discriminant is equal to zero then..............
3 years ago
·
1 Reply
·
1552 views
D
Daphnee Labadie
State how many (if any) positive/negative roots you should expect.
1 Answer
Devan-Kumar M
Verified Sherpa Tutor ✓
Young experienced tutor w a unique understanding of exam specification
3 reviews
If the discriminant of a quadratic equation is 0, then it will have one root exactly. This is shown by the quadratic formula, as it could now be written as x = -b/2a , which by the way will be the point of its minima or maxima.
I'm available for 1:1 private online tuition!
Click here to view my profile and arrange a free introduction.Think you can help?
More Maths A-Level Questions
Need an A-Level Maths tutor?
Get started with a free online introductions with an experienced and qualified online tutor on Sherpa.
Find an A-Level Maths Tutor