D Question 5 12.5 pts An augmented matrix is the matrix formed from the coefficients and constant terms of the equations in the system. Ex: Write the augmented matrix for 3x + 5 = 2 2x - 7 =0 12 5 N ol Row operations are a way of transforming rows of a matrix. Ex: For the matrix above, replace R2 with 3 R2. 3 5 2 Question: Replace R1 with -2R1. 5 6 -21 For more information on this topic, look in your textbook at section 8.4. You might also want to look at the lecture notes on Canvas. o 6 10 -21 5 -12 2 O -6 -10 6 -21