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

Related Maths A Level answers

All answers ▸

Differentiate with respect to x: y=xln(x)


Turning points of the curve y = (9x^2 +1)/3x+2


The volume of a cone is V = 1/3*pi*r^2*h. Make r the subject of the formula.


Find the equation of the tangent to the curve y = (5x+4)/(3x -8) at the point (2, -7)


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