A school wants to buy a chalkboard that measures 1 yard by 2 yards. The chalkboard costs $71.00 per square yard. How much will t
2 answers:
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Answer: See the graph below!
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ANSWER
D.
EXPLANATION
The standard equation of the hyperbola is
We multiply through by 36 to obtain:
We now expand to get,
Expand :
To get the general form, we equate everything to zero to get,
The correct choice is D.