Algebra II Write the system of equations represented by the matrix.
[0 1 2 4
2 3 6 9
1 0 1 3 ]
A. x+2y=4
-2x-3y+69=0
x+y=3
B. x+2y=4
-2x-3y+6=9
x+y=3
C. x+2z=4
-2x+3y+6z=9
x+z=3
D. x+2z=4
-2x-3y+6=9
x+y=3
Solve the system.
x+3y=5
x+4y=6
A. (2,1)
B. (1,5)
C, (8,-1)
D. (11,-2)
Solve the system.
p-3q=-1
-5p+16q=5
A. (2,1)
B. (3,3)
C. (-1,0)
D. (5,2)
SOlve the system.
x+3y=22
2x-y=2
A. (7,5)
B. (2,2)
C. (4,6)
D. no solution
Solve the system.
x+3y=6
2x+4y=12
A. (3,2)
B. (6,0)
C. (5,0.5)
D. (4,1)
Solve the system.
300x--y=130
200x+y=120
A. (1,170)
B. (0.5,20)
C. (1.5,150)
D. (2,300)
SOlve the system
x+y=5
-2x+4y=8
A. (1,4)
B. (5,1)
C. (2,3)
D. (5,1)
SOlve the system.
-a+4b+2c=-8
3a+b-4c=9
b=-1
A. (0,1,1)
B. (-1,-1,2)
C. (1,1,-2)
D. (2,-1,-1)
Choose which of the following are true statemnets regarding matrices
1. A matrix with 14 elements is impossible
2. If two rows are identical in a matrix then there infinetly many solutions
3. A 3 by 2 matix and a 2 by 3 matrix have the same number of elements
4. An acceptable row operation is to switch columns.