Convert the matrix to row-echelon form.
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Express the number in scientific notation.870,000
A. 8.7 × 105 B. 8.7 × 104 C. 8.7 × 10-4 D. 8.7 × 10-5
Mathematics
Provide an appropriate response.Evaluate and express to the nearest ten-thousandth: log 7.3
A. 0.8633 B. 1.0000 C. 1.4803 D. 1.9879
Mathematics
Solve the problem.A company manufactures three products. The graph shows the production from 1986 to 1996. In what year did the production of C equal the production of A?
A. 600,000 B. 1996 C. 650,000 D. 1991
Mathematics
Solve the problem.The following table shows the number of resistors, in thousands, produced by Allied Electronics in 3 recent years. 
Fit a quadratic function f(x) = ax2 + bx + c to the data. What is the value of b?
A. 12 B. 10 C. 11 D. 9
Mathematics