Find an equation for the ellipse described.Center at (0, 0); focus at (0, -3); vertex at (0, 4)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
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Without graphing the function, determine its amplitude or period as requested.y = -5 sin 
xFind the amplitude.
A. 4?
B. 
C. 5
D. 
Solve the SSA triangle. Indicate whether the given measurements result in no triangle, one triangle, or two triangles. Solve the resulting triangle. Round the answer to the nearest tenth.B = 22°, b = 16.8, a = 22.42
A. A = 150°, C = 8°, c = 6.2 B. No triangle exists. C. Solution 1: A = 30°, C = 128°, c = 35.3 Solution 2: A = 150°, C= 8°, c = 6.2 D. A = 30°, C = 128°, c = 35.3
The equation of the line joining the following two points can be written as a determinant set equal to zero. Find the sum of the entries in the first column of that determinant. ? P(9, 3), Q(3, 2) ?
A. 
B. 
C. 
D. 
E. 13
Evaluate the sum. Round to two decimal places, if necessary.
A. 93 B. 86 C. 35 D. 66