Determine the standard equation of the ellipse using the given graph.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
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If y varies inversely as x, find the inverse variation equation for the situation.y = 0.8 when x = 0.5
A. y = 1.6x
B. y = 
C. y = 2.5x
D. y = 
Solve the problem.Assume that a watermelon dropped from a tall building falls 
in t sec. Find the watermelon's average speed during the first 4 sec of fall and the speed at the instant 
A. 65 ft/sec; 130 ft/sec B. 128 ft/sec; 65 ft/sec C. 64 ft/sec; 128 ft/sec D. 32 ft/sec; 64 ft/sec
Translate using numbers and symbols.The difference of sixteen and fifteen
A. 16 - 16 B. 15 - 16 C. 16 - 15 D. 16 - x
Decide whether the perimeter or area would be used to solve a problem concerning the measure of the quantity.Measuring a garden for a border fence?
A. Perimeter B. Area