Evaluate the determinant.
?
?
A. 
B. 
C. 
D. 
E. none of these
Answer: A
Mathematics
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Add or subtract and write the resulting polynomial in descending order of degree.
- 
A. 
t3 + 
t2 - 
B. 
t3 + 
t2 - 
C. 
t3 + 
t2 - 
D. 
t3 + 
t2 + 
Mathematics
Solve the polynomial inequality. Express the solution using interval notation.x2 < 36
A. (-?, -6] ? [6, ?) B. [-6, 6] C. (-?, -6) ? (6, ?) D. (-6, 6)
Mathematics
Write an inequality involving the variable x that describes the set of numbers graphed.
A. x ? 0 B. x ? 0 C. x > 0 D. x < 0
Mathematics
Solve the linear system by using an inverse matrix.
A. {(-1, 6, 2)} B. {(1, 5, 6)} C. {(1, 6, 5)} D. ?
Mathematics