Multiple Choice
Use Cramer's rule to find the solution of the system, if possible.
A) x = 1, y = -1
B) x = 7, y = -8
C) x = 7, y = -7
D) The system is inconsistent.
E) The equations are dependent.
Correct Answer:

Verified
Correct Answer:
Verified
Q4: Solve the system by substitution, if possible.
Q5: Find the product. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8693/.jpg" alt="Find the
Q6: Find the product. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8693/.jpg" alt="Find the
Q7: Find the inverse of the matrix. <img
Q8: Solve the system by Gauss - Jordan
Q10: Use a graphing calculator to find the
Q11: Find 9A. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8693/.jpg" alt="Find 9A.
Q12: Solve the system using Gaussian elimination. <img
Q13: Solve the system using Gauss-Jordan elimination. <img
Q14: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8693/.jpg" alt=" Find the cofactor