Skip to content

Course home

Completing the Square

Completing the Square

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162
Question 119
a.

Show that x2+4x−2=(x+2)2−6x^2 + 4x - 2 = (x + 2)^2 - 6x2+4x−2=(x+2)2−6

[2]
b.

Hence, by completing the square, solve x2+4x−2=0x^2 + 4x - 2 = 0x2+4x−2=0 Give your answers in surd form.

[3]
Markscheme

Completing the Square Questions

  1. GCSE
  2. /Maths
  3. /Completing the Square

250 exam-style questions on OCR GCSE Maths Completing the Square. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank