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)

Answered by Demi B. Maths tutor

4254 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Find the derivative of f(x) = 2xe^x


What are the parameters of the Poisson distribution?


dx/dt=-5x/2 t>=0 when x=60 t=0


A curve C has equation y = x^2 − 2x − 24sqrt x, x > 0. Prove that it has a stationary point at x=4.


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