Write the equation in standard form for an ellipse centered at (h, k). Identify the center and the vertices.49x2 + y2 - 294x + 392 = 0
A. C(7, 0); V(7, ±3); 
+ 
= 1
B. C(7, 0); V(3, ±7); 
+ 
= 1
C. C(0, 3); V(±7, 3); 
+ 
= 1
D. C(3, 0); V(3, ±7); 
+ 
= 1
Answer: D
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Solve the problem.Yvette has up to $5000 to invest and has chosen to put her money into telecommunications and pharmaceuticals. The telecommunications investment is to be no more than 5 times the pharmaceuticals investment. Write a system of inequalities to describe the situation. Let 
to be invested in telecommunications and 
to be invested in pharmaceuticals.
A. x + y = 5000 x ? 5y x ? 0 y ? 0 B. x + y = 5000 y ? 5x x ? 0 y ? 0 C. x + y ? 5000 5x ? y x ? 0 y ? 0 D. x + y ? 5000 x ? 5y x ? 0 y ? 0
The double line graph below shows the number of Acme Superstores vs. the number of General Superstores. 
In what year was the number of Acme stores approximately equal to the number of General stores?
A. 2000 B. 2002 C. 1999 D. 1998
Find the missing parts of the triangle. Round to the nearest tenth when necessary or to the nearest minute as appropriate.a = 6.3 in.b = 13.6 in.c = 15.3 in.
A. A = 24.3°, B = 62.6°, C = 93.1° B. A = 22.3°, B = 62.6°, C = 95.1° C. No triangle satisfies the given conditions. D. A = 26.3°, B = 60.6°, C = 93.1°
Graph the function.f(x) = 
A. 
B. 
C. 
D. 