AP Precalculuseasymcq1 pt
The matrix [[1, 2], [3, 4]] has trace
A.5
B.10
C.−2
D.7
Explanation
Core Concept
Trace is the diagonal sum 1 + 4.
Correct Answer
A5
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 →