Use Cramer's rule to solve the linear system.7x - 2y + 4z = 214x + 9y - 6z = 242x - 3y - 4z = -4
A. (3, 2, 1)
B. (3, -2, -1)
C. (2, 1, 2)
D. (4, 0, 1)
Answer: A
Mathematics
You might also like to view...
Find the exact value of the expression.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. - 
Mathematics
Find the area of the specified region.Inside the circle r = a sin? and outside the cardioid r = a(1 - sin ?), a > 0
A. 
(2? - 3
)
B. 
(4? - 3
)
C. 
(6 - ?)
D. 
(3
- ?)
Mathematics
Identify the pair of lines as appearing to be parallel, perpendicular, or intersecting.
A. Intersecting B. Perpendicular C. Parallel
Mathematics
Simplify the expression. Assume that all variables represent nonnegative real numbers.
+ 2
- 4
A. -5x
B. -2x
C. -5x
D. -2x
Mathematics