Multiple Choice
Determine which ordered pair is a solution of the system.
A) (1, -2)
B) (2, 1)
C) (-5, 4)
D) (-2, 1)
E) (-4, -5)
Correct Answer:

Verified
Correct Answer:
Verified
Q15: Find A - B. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8693/.jpg" alt="Find
Q16: Solve the system, if possible. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8693/.jpg"
Q17: Determine which ordered pair is a solution
Q18: Find the inverse of the matrix. <img
Q19: Solve the system, if possible. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8693/.jpg"
Q20: Solve the system by substitution, if possible.
Q21: Solve the system, if possible. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8693/.jpg"
Q23: Solve the system. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8693/.jpg" alt="Solve the
Q24: Solve the system using Gauss-Jordan elimination. <img
Q25: Solve the system of equations by graphing.