SAT Subject Test Math Level 2 Practice Test: Determinants and Inverses of Square Matrices

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Question 3 questions

Time 4 minutes

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1. The determinant of is

A. p - 6
B. p + 6
C. 3p - 2
D. 3 - 2p
E. -6 - p

2. Find all values of x for which .

A. ±3.78
B. ±4.47
C. ±5.12
D. ±6.19
E. ±6.97

3. If , then X =

A.
B.
C.
D.
E. undefined