Provide an appropriate response.Describe the characteristics of an augmented matrix in diagonal or reduced-row echelon form.
A. The matrix has ones on the main diagonal and zeros above the main diagonal.
B. The matrix has zeros on the main diagonal and ones below the main diagonal.
C. The matrix has ones on the main diagonal and zeros everywhere else.
D. The matrix has ones on the main diagonal and zeros below the main diagonal.
Answer: D
You might also like to view...
Add or subtract as indicated.-0.193 - (-0.7874)
A. 0.6044 B. 0.5944 C. 0.5934 D. 0.6944
Solve the problem.If x dollars is deposited every four weeks (13 times a year) into an account paying an annual interest rate r, expressed in decimal form, then the amount An in the account after n years can be approximated by the formula 
If $30 is deposited every four weeks into an account paying 4% interest, approximate the amount in the account after 19 years.
A. $23,985.00 B. $11,073.88 C. $369.13 D. $5195.59
Solve the problem.The revenue from the sale of a product is given by R = 1620x - 12x2 - x3. If the sale of 10 units gives a total revenue of $14,000, find another number of units that will give $14,000 in revenue.
A. 50 units B. 33 units C. 18 units D. 28 units
Sketch the graph of the parabola.f(x) = -3(x - 1)2 + 3
A. 
B. 
C. 
D. 