Find an equation of an ellipse satisfying the given conditions.Vertices: (-6, -2) and (8, -2); endpoints of minor axis: (1, 4) and (1, -8)
A. 
+ 
= 0
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
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Determine the value of the literal numbers in the given matrix equality.
= 
A. x = -2, y = -6, z = 9 B. x = -2, y = 5, z = 9 C. x = -2, y = 5, z = -6 D. x = 5, y = -2, z = 9
Find the linearization L(x) of f(x) at x = a.f(x) = 
, a = 0
A. L(x) = 
x + 7
B. L(x) = 
x + 7
C. L(x) = 
x - 7
D. L(x) = 
x - 7
Write the equation of the graph in its final position.The graph of y = x2 is translated 5 units to the left and 8 units downward.
A. y = (x - 8)2 + 5 B. y = (x + 5)2 - 8 C. y = (x + 8)2 - 5 D. y = (x - 5)2 - 8
Solve the problem.Using a phone card to make a long distance call costs a flat fee of $0.88 plus $0.25 per minute starting with the first minute. What is an equation of the form 
for this situation?
A. y = 0.88x + 0.25 B. y = 0.25x + 0.88 C. y = 0.25x D. y = 0.88x