Use a graphing calculator to solve the system by finding A-1 and A-1B. (Round to the nearest integer if necessary.)
A. {(3, 7, 8)}
B. {(2, -9, -8)}
C. {(9, 8, 9)}
D. {(2, 9, 8)}
Answer: D
Mathematics
You might also like to view...
Determine the vertex of the graph of the parabola.y = -3x2 + 12x - 13
A. (-2, -1) B. (2, -1) C. (-1, -2) D. (-1, 2)
Mathematics
Solve the problem with estimation, but do not use a calculator. Use rounding to make the resulting calculations simple.If a person earns $29.55 per hour, estimate that person's annual salary.
A. $40,000 B. $50,000 C. $60,000 D. $70,000
Mathematics
Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to three decimal places. log8.65.9
A. 0.686 B. 1.212 C. 0.771 D. 0.825
Mathematics
Simplify using the product rule.6
A. 12 B. 24 C. 10 D. 48
Mathematics