Find the inverse matrix of A.A = 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
You might also like to view...
Solve the inequality, and graph the solution set.(b + 7)(b + 4)(b + 1) < 0
A. (-1, ?)
B. (-?, -7) ? (-4, -1)
C. (-7, -4) ? (-1, ?)
D. (-?, -4)
Mathematics
Graph the parabola.y = -4x2 - 2x - 1
A. 
B. 
C. 
D. 
Mathematics
Find the unknown value.What number is 20% of 200?
A. 0.4 B. 40 C. 4 D. 400
Mathematics
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. 
C. (0, 12)
D. none
Mathematics