given that A = 
.
Q2: Perform the row operation <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBW1040/.jpg" alt="Perform
Q3: Solve for the indicated variables.<br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TBW1040/.jpg" alt="Solve
Q4: Solve the system of linear equations for
Q5: Evaluate the 2 × 2 determinant. <img
Q6: Write the order of the matrix.<br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TBW1040/.jpg"
Q8: Perform the row operation -2 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBW1040/.jpg"
Q9: Find the values of a, b, and
Q10: Calculate <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBW1040/.jpg" alt="Calculate if
Q11: Solve for the indicated variables.<br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TBW1040/.jpg" alt="Solve
Q12: Write the system of linear equations as