Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = 27, y = 9, z = 6; (27, 9, 6)
B. x = -9, y = -9, z = 3; (-9, -9, 3)
C. x = 
y - 
z - 
, y is any real number, z is any real number
or 
D. inconsistent
Answer: C
You might also like to view...
Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 7
B. 
; 7
C. 
; 7
D. 
; 7
Find the equation of the transverse axis of the hyperbola.y2 + 2
- x2 + 2
x = 1
A. x = 0 (y-axis)
B. y = 0 (x-axis)
C. x = 
D. y = 
Solve the problem.The magnitude of an earthquake, measured on the Richter scale, is given by 
where I is the amplitude registered on a seismograph located 100 km from the epicenter of the earthquake, and I0 is the amplitude of a certain small size earthquake. Find the Richter scale rating of an earthquake with an amplitude of 105.4 I0.
A. 5.4 B. 4.6 C. 12.4 D. 15.4
Solve by completing the square.
A. 
B. 
C. 
D. none of these