Turn on thread page Beta
 You are Here: Home >< Maths

# C1: Geometry Question watch

1. Find the values of k which the equation

has equal roots

a =
b =
c =

:.

It says the answer is...

What have I done wrong?
2. well you are right. it isjust that their version (yours times -1) is neater.

For completeness if f(k)=0 then -1 times f(k) is also zero. In fact anything times f(k) is also zero.
3. Nothing. All you have got to do is move the answer to the other side to flip the signs
4. (Original post by ckfeister)
Find the values of k which the equation

has equal roots

a =
b =
c =

:.

It says the answer is...

What have I done wrong?

Turn on thread page Beta

### Related university courses

TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: October 28, 2016
The home of Results and Clearing

### 3,172

people online now

### 1,567,000

students helped last year
Today on TSR

### A-level grade boundaries

Hang on, have Edexcel's come out already?

### University open days

1. SAE Institute
Animation, Audio, Film, Games, Music, Business, Web Further education
Thu, 16 Aug '18
2. Bournemouth University
Clearing Open Day Undergraduate
Fri, 17 Aug '18
3. University of Bolton
Fri, 17 Aug '18
Poll
Useful resources

## Make your revision easier

### Maths Forum posting guidelines

Not sure where to post? Read the updated guidelines here

### How to use LaTex

Writing equations the easy way

### Study habits of A* students

Top tips from students who have already aced their exams

Can you help? Study help unanswered threads

## Groups associated with this forum:

View associated groups

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE