Solve the system by using the inverse of the coefficient matrix.-4x - 2z = -42 2x + 6y - 6z = -18-6x - 7y = -64
A. (6, -4, -9)
B. (7, 2, 9)
C. (6, 4, 9)
D. (4, 9, 4)
Answer: C
Mathematics
You might also like to view...
Simplify the expression. Write the answer using only positive exponents. Assume that all variables represent positive real numbers.
A. - 
B. - 
C. 
D. 
Mathematics
Subtract the fractions. Write the answer in lowest terms.
A. 
B. 
C. 
D. 
Mathematics
The two triangles below are similar. Find the missing length.
A. x = 4.9; y = 3.6 B. x = 5.6; y = 3.9 C. x = 1.60; y = 3.6 D. x = 4.9; y = 3.9
Mathematics
Write the system of linear equations as a matrix equation.
What will be an ideal response?
Mathematics