Solve the system of equations using the inverse of the coefficient matrix.
A. x = -9, y = 5, z = 18
B. x = 9, y = 4, z = 5
C. x = 9, y = 5, z = 4
D. The system is inconsistent.
Answer: C
Mathematics
You might also like to view...
Do the operation and express the answer in 
form.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Mathematics
Find the area of the region under the graph of f on [a, b].
f(x) = 
? 2x + 4; [?1, 2]
Select the correct answer.
a. 3
b. –12
c. 12
d. –3
Mathematics
Match the inequality to its graph.3x + 4y ? -12
A. 
B. 
C. 
D. 
Mathematics