Complete the square of the following expression: 2x^2 -8x+21

2(x-2)^2 +13

IF
Answered by Iliya F. Maths tutor

2793 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the following equation 3(2x -1) = 4(x - 2)


If a rectangle has area 48cm2 and sides length 6cm and (3x+2)cm, what is the value of x?


A)Write x^2 – 8x + 25 in the form (x – a)^ 2 + b. (B) Write down the coordinates of the turning point of the graph of y = x2 – 8x + 25. (C)Hence describe the single transformation which maps the graph of y = x2 onto the graph of y = x2 – 8x + 25.


Solve the simultaneous equations to find x and y: 2x - 2y = 20, x + 4y = 5


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