Find the nontrivial equilibrium point.
= x12 + x1x2 - 2x1
= x1x2 - 2x22 - 2x2
A. (0, 3)
B. (3, 1)
C. (2, 0)
D. (0, 2)
Answer: C
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Solve the system by graphing.-5x - 3y = 64x - 5y = -2
A. (-1, -0.4) B. (-0.6, 0.9) C. (0.5, 0.4) D. (-0.4, -1)
Solve problems using a calculator.The revenue of a construction company for the year is $6,682,957, and the total expenses are $5,995,974. Find the difference, or profit, for that year.
A. $686,985 B. $686,938 C. $686,984 D. $686,983
Solve the problem.Two tracking stations are on the equator 148 miles apart. A weather balloon is located on a bearing of 
from the western station and on a bearing of 
from the eastern station. How far is the balloon from the western station? Round to the nearest mile.
A. 436 mi B. 445 mi C. 505 mi D. 514 mi
Test the equation for symmetry with respect to the given axis, line, or pole.r2 = sin 2?;
the pole
A. may or may not have symmetry with respect to the pole B. has symmetry with respect to the pole