Solve the rational equation.
- 
= 
A. {-2}
B. ?
C. {2}
D. {2, -2}
Answer: B
Mathematics
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Solve the problem.What is the y-intercept of y = cos x?
A. 1
B. 
C. 0
D. ?
Mathematics
Solve the equation in the interval [0°, 360°). Give solutions to the nearest tenth, if necessary.4 sin2? = 3
A. {60°, 120°} B. {60°, 120°, 240°, 300°} C. {240°, 300°} D. ?
Mathematics
Solve the system of nonlinear equations.x2 + y2 = 5x - y = 1
A. (-2, 1), (-1, 2) B. (2, 1), (-1, -2) C. (-2, -1), (-1, -2) D. (2, -1), (1, -2)
Mathematics
Find the unknown coordinate so that the ordered pair satisfies the given equation.3x + 4y = 28, ( ? , 4)
A. -4 B. 14 C. -14 D. 4
Mathematics