Skip to content

Course home

1.2.5 Discriminant of a quadratic

1.2.5 Discriminant of a quadratic

EasyMediumHard
1234
Question 4

The quadratic expression kx2+4x+1kx^2+4x+1kx2+4x+1 is positive for every real value of xxx.

Find the set of possible values of kkk.

[4]
Markscheme

1.2.5 Discriminant of a quadratic Questions

  1. A Level
  2. /Maths
  3. /1.2.5 Discriminant of a quadratic

8 exam-style questions on OCR (MEI) A Level Maths 1.2.5 Discriminant of a quadratic. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank