Start learning →

Match each condition to what it tells you

Exercise and reference answers

Matching pairs
  1. Left
    |A| = 0
    Right
    A is singular, so A⁻¹ does not exist
  2. Left
    |A| ≠ 0
    Right
    A is non-singular, so A⁻¹ exists
  3. Left
    Area determinant = 0
    Right
    the three points are collinear

Explanation

Reading a determinant as a yes/no test. Source: syllabus Maths Part I, Ch 4 Determinants.
Try this exercise with Quill →

Browse more AP Intermediate 2nd Year questions and exercises →