Find an equation for the ellipse described. Graph the equation.Vertices at (5, -4) and (5, 8); length of minor axis is 6
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
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Solve the indicated equation analytically.A generator produces an alternating current according to the equation 
, where t is time in seconds and I is the current in amperes. What is the smallest time t such that I = 36 A?
A. 
s
B. 
s
C. 
s
D. 
s
Find an equivalent equation in rectangular coordinates.r = cos ?
A. x2 + y2 = x B. x2 + y2 = y C. (x + y)2 = y D. (x + y)2 = x
Rewrite the system of inequalities, adding slack variables or subtracting surplus variables as needed.2x1 + x3 ? 532x1 + x2 ? 35 x1 + x3 ? 18
A. 2x1 + x3 - s1 = 53 2x1 + x2 + s2 = 35 B. 2x1 + x3 + s1 = 53 2x1 + x2 - s2 = 35 x1 + x3 - s3 = 18 C. 2x1 + x3 + s1 = 53 2x1 + x2 - s2 = 18 x1 + x3 - s3 = 35 D. 2x1 + x3 - s1 = 53 2x1 + x2 + s2 = 35 x1 + x3 + s3 = 18
Provide an appropriate response.Prepare a table showing the percent and decimal equivalents for these fractions: 
, 
, 
, and 
.
What will be an ideal response?