Write x^2 + 4x + 18 in the form (x + a)^2 + b, where a and b are constants to be determined.

(x + 2)^2 + 14. a = 2, b = 14

Answered by Danqing H. Maths tutor

3451 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

The equation of the line L1 is y=3x–2. The equation of the line L2 is 3y–9x+5=0. Show that these two lines are parallel.


A voucher takes 12% off a bill at a restaurant. After using the voucher, the bill for a meal is £31.68. How much was the bill before using the voucher?


How can I work out the area of a semi-circle with a diameter of 12cm?


Solve the following simultaneous equations: 2x + 2y = 14; 4x - 2y = 10


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