Solve the matrix equation AX = B for X by finding A-1, given A and B as follows. Use a graphing calculator to obtain your answer, rounding all numbers to four decimal places.A = 
, B = 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Rewrite the expression without the grouping symbols.-(x - 5y)
A. -x - 5y B. -5xy C. -x + 5y D. x + 5y
Mathematics
Evaluate the integral.
A. - 
?2
B. - 
?2
C. - 
?2
D. - 
?2
Mathematics
Combine like terms.-3b + 7b
A. -10b B. -4b C. 4b2 D. 4b
Mathematics
Find the equation of the line with the given slope and intercept.Slope 
; y-intercept is -1
A. y = 
x + 1
B. y = - 
x - 1
C. y = - 
x + 1
D. y = 
x - 1
Mathematics