Use the inverse of the coefficient matrix to solve the system of equations. y + z = 7,3x -z = 4, 2x + y + 3z = 2; A-1 = - 
A.
B.
C.
D.
Answer: C
Mathematics
You might also like to view...
Write an equation for the graph given. The graph represents an logarithmic function f with base 2 or 3, translated and/or reflected.
A. log2(-x + 3) B. -log2(x - 3) C. -log2(x + 3) D. -log2(-x - 3)
Mathematics
Use the distributive property to calculate the value mentally.23 ? 96 + 77 ? 96
A. 19,200 B. 196 C. 9600 D. 5184
Mathematics
Solve the problem.A rectangular box with square base and no top is to have a volume of 32 ft3. What is the least amount of material required?
A. 36 ft2 B. 42 ft2 C. 48 ft2 D. 40 ft2
Mathematics
Graph the line through the given point with the given slope.(4, 0), m = -
A.
B.
C.
D.
Mathematics