Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists.x + 3y + 2z=114y + 9z=-12x + 7y + 11z=- 1
A. {(
+ 20, - 
- 3, z)}
B. {(- 
+ 20, - 
+ 3, z)}
C. {(
+ 20, - 
+ 3, z)}
D. {(
+ 20, 
+ 3, z)}
Answer: A
You might also like to view...
Determine whether the statement is true or false.The greatest common factor of two relatively prime numbers is always 1.
A. True B. False
Find a Cartesian equation for the line whose polar equation is given.r cos
= 4
A. y = 8 - 
x
B. y = 
x + 4
C. y = 8 - 
x
D. y = 4 - 
x
Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = log10(x + 8)y = x2
A. x = -1.38, y = 1.89; x = 1.50, y = 2.25 B. x = -1.38, y = -1.89; x = 1.50, y = -2.25 C. x = -0.92, y = 0.85; x = 0.98, y = 0.95 D. x = -0.92, y = -0.85; x = 0.98, y = -0.95
Determine if the parabola whose equation is given opens upward or downward.y = 2x2 - 2x - 6
A. downward B. upward