A matrix has an inverse if and only if its determinant does not equal 0. Determine whether the given matrix has an inverse.
A. No
B. Yes
Answer: A
Mathematics
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Determine the degree of the polynomial.-11m3 + 3 + 15m4 + m9 - 12m2
A. 8 B. 10 C. 1 D. 9
Mathematics
Find the determinant of the given matrix.
A. -5 B. 5 C. -7 D. 1
Mathematics
Which equation matches the given calculator-generated graph and description? Decide without using your calculator.
Hyperbola; foci (±
, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Mathematics
Find two positive real numbers whose product is a maximum. The sum is 140. ?
A. 90, 50 B. ?100, 40 C. ?70, ?70 D. ?80, 60 E. ?10, 130
Mathematics