Solve the linear system using an inverse matrix.
A. (1, -3)
B. (3, -1)
C. (-3, 1)
D. (-1, 3)
Answer: A
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Solve the problem.A location in the Atlantic Ocean extends down to a maximum depth of 16,360 feet. How deep is this location in meters? Use 1 mile ? 1.609 kilometers and round to the nearest meter.
A. 4980 m B. 4985 m C. 4988 m D. 4958 m
Solve the problem.An endangered species of fish has a population that is decreasing exponentially
The population 6 years ago was 1900. Today, only 900 of the fish are alive. Once the population drops below 100, the situation will be irreversible. When will this happen, according to the model? Round to the nearest whole year.
A. 17 years from today B. 20 years from today C. 18 years from today D. 19 years from today
Change the word statement to an equation. Use x as the variable.A number minus 5 equals 5.
A. 5 - x = 5 B. x = 5 - 5 C. x - 5 = 5
Use the graph of the function to estimate the x-intercepts.y = x2 + 3x - 18
A. x = -3, x = 6 B. x = -3, x = 18 C. x = -6, x = 3 D. x = 0