Turn on thread page Beta
 You are Here: Home >< A-levels

Graph skethcing C1 - HELP ! watch

Announcements
1. y=x(x+1)(x-1)

Would the valueS of x be X=-1 , X=1 ???
Or is there more needed to be done as there is an "x" in front of the first bracket.??? Confused -.-
2. (Original post by Modesty)
y=x(x+1)(x-1)

Would the valueS of x be X=-1 , X=1 ???
Or is there more needed to be done as there is an "x" in front of the first bracket.??? Confused -.-
x also equals 0
3. (Original post by kf141998)
x also equals 0
What do you mean?

What do i do with the "x" in front?
4. (Original post by Modesty)
y=x(x+1)(x-1)

Would the valueS of x be X=-1 , X=1 ???
Or is there more needed to be done as there is an "x" in front of the first bracket.??? Confused -.-
What do you mean by "values of x"?

If you mean x-intercepts, then x=0, -1, 1
5. (Original post by ubisoft)
What do you mean by "values of x"?

If you mean x-intercepts, then x=0, -1, 1
Sorry i meant where the graph crosses the x axis.
Btw how do you know x=0 ?
I know how to get the other intercepts but got confused of the x in front of the first bracket.
6. (Original post by Modesty)
y=x(x+1)(x-1)

Would the valueS of x be X=-1 , X=1 ???
Or is there more needed to be done as there is an "x" in front of the first bracket.??? Confused -.-
It means it's a cubic graph; in this case there a three solutions. You solved , you needed to solve
7. (Original post by Modesty)
Sorry i meant where the graph crosses the x axis.
Btw how do you know x=0 ?
I know how to get the other intercepts but got confused of the x in front of the first bracket.
x on its own is the same as (x-0)
8. (Original post by Modesty)
Sorry i meant where the graph crosses the x axis.
Btw how do you know x=0 ?
I know how to get the other intercepts but got confused of the x in front of the first bracket.
Imagine it as
9. (Original post by Andy98)
It means it's a cubic graph; in this case there a three solutions. You solved , you needed to solve
I know they are cubic graphs , but thx for clearing that up for me !
I understand now.
10. (Original post by Modesty)
I know they are cubic graphs , but thx for clearing that up for me !
I understand now.
no problemo

Reply
Submit reply
Turn on thread page Beta
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: November 10, 2015
Today on TSR

Exam Jam 2018

Join thousands of students this half term

Solo - A Star Wars Story

Poll
Help with your A-levels

All the essentials

Student life: what to expect

What it's really like going to uni

Essay expert

Learn to write like a pro with our ultimate essay guide.

Uni match

Our tool will help you find the perfect course for you

Create a study plan

Get your head around what you need to do and when with the study planner tool.

Resources by subject

Everything from mind maps to class notes.

Degrees without fees

Discover more about degree-level apprenticeships.

Study tips from A* students

Students who got top grades in their A-levels share their secrets

Study help links and info

Can you help? Study help unanswered threadsRules and posting guidelines

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

Write a reply...
Reply
Hide
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.