Decide whether or not matrix A and matrix B are inverses.A = 
and B = 
A. Yes
B. No
Answer: B
Mathematics
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Match the equation with the surface it defines.- 
+ 
+ 
= 1 
A. Figure 4 B. Figure 1 C. Figure 2 D. Figure 3
Mathematics
Identify the equation as either linear or nonlinear by trying to write it in the form 
x2+ 8x = x3 + 1
A. Linear B. Nonlinear
Mathematics
Use the formulas 
= 
, 
= 
, and 
= 
2 to find the sum.Find the sum of the first 275 positive integers.
A. 6,970,150 B. 3,485,075 C. 37,950 D. 75,900
Mathematics
Solve the equation by completing the square.2x2 = -12x - 3
A. 
B. 
C. 
D. 
Mathematics