The lines y = 3x² - x + 5/2 intersects the line y = x/2 +7 at two points. Give their coordinates. Show your working

y= 3x2 -x +5/2 = 0.5 x +76x2 -2x +5 = x+146x2 - 3x -9 = 0 = 2x2 - x -3(2x-3)(x+1) = 0 x = -1 or x = 1.5y = 6.5 or y = 7.75

Answered by Maths tutor

2351 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

find dy/dx= x^2 +x^3


Solve x^2 + 8x +3 = 0 by completing the square.


What is ln(10)-ln(5)?


A curve has equation y = 20x −x^2 −2x^3 . The curve has a stationary point at the point M where x = −2. Find the x-coordinate of the other stationary point of the curve.


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