Find where the graph of y=3x^2+7x-6 crosses the x axis

At the point where the line crosses the x axis, y=0

3x^2+7x-6=0

(3x-2)(x+3)=0

3x-2=0 or x+3=0

giving x=2/3 and x=-3

so the line crosses the x axis at (2/3,0) and (-3,0)

DB
Answered by Demi B. Maths tutor

4310 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Differentiate y=(x^2+1)(e^-x)


Express 8/((root3) -1)) in the form a(root3) +b, where a and b are integers.


How to differentiate y=2x(x-2)^5 to find dy/dx?


What are the different steps involved in Proof by Induction?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences