Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 5x + 4y = 8-4x + 2y = -22
A. {(-3, 4)}
B. {(3, -4)}
C. {(-4, 3)}
D. {(4, -3)}
Answer: D
Mathematics
You might also like to view...
Find the infinite sum accurate to three decimal places.
A. 0.143 B. 0.800 C. -0.571 D. 0.200
Mathematics
Solve the problem.The radius of a sphere is given by the formula 
, where S is the surface area. If the surface area is 11,657 square inches, what is the radius? Use 3.14 for ?, and round your answer to the nearest tenth of an inch.
A. 30.5 inches B. 54 inches C. 95.7 inches D. 0 inches
Mathematics
The matrix is the final matrix form for a system of two linear equations in variables x1 and x2. Write the Solution of the system.
A. x1 = 3 x2 = 5 B. x1 = -5 x2 = -3 C. x1 = 5 x2 = t for any real number t D. x1 = 5 x2 = 3
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics