AP Precalculusmediummcq1 pt
The inverse of a 2×2 matrix [[a, b], [c, d]] has determinant
A.1/(ad − bc)
B.ad − bc
C.−(ad − bc)
D.0
Explanation
Core Concept
The inverse's determinant is the reciprocal.
Correct Answer
A1/(ad − bc)
More Unit 4: Functions Involving Parameters, Vectors, and Matrices practice questions
- mediumThe parametric curve x = 2t + 1, y = t − 3 is a line with slope
- easyA matrix with equal rows has determinant
- easyThe vector ⟨0, 0⟩ is called
- easyThe matrix [[1, 0], [0, 3]] scales the y-axis by
- easyA parametric representation of a circle is
Practice more AP Precalculus questions with full explanations
Practice Unit 4: Functions Involving Parameters, Vectors, and Matrices Questions →