Determine if the test point is a solution to the system of linear inequalities.(2, 1)x - y < 2x + y > 2
A. Yes
B. No
Answer: A
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Solve.For a hyperbolic mirror the two foci are 44 cm apart. The distance of the vertex from one focus is 10 cm and from the other focus is 34 cm. Position a coordinate system with the origin at the center of the hyperbola and with the foci on the y-axis. Find the equation of the hyperbola.
A. 
- 
= 5
B. 
- 
= 1
C. 
- 
= 5
D. 
- 
= 1
Add or subtract as indicated.(12x2 - xy - y2) + (x2 + 8xy + 8y2)
A. 11x2 - 9xy - 9y2 B. 13x2 + 9xy + 9y2 C. 13x2 + 7xy + 7y2 D. 12x2 + 8xy + 8y2
Find the area of the region under the graph of the function
?
?
on the interval 
, using the fundamental theorem of calculus. Then verify your result using geometry.
?
A. 14 sq units
B. 13 sq units
C. 12 sq units
D. 9 sq units
Simplify.3 ? [32 + 3 ? (8 + 7)]
A. 120 B. 54 C. 540 D. 162