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Determine the Two Equations Necessary to Graph the Hyperbola with a Graphing

Question 381

Multiple Choice

Determine the two equations necessary to graph the hyperbola with a graphing calculator.
- x225y249=1\frac { x ^ { 2 } } { 25 } - \frac { y ^ { 2 } } { 49 } = 1


A) y=7x2255y = \frac { 7 \sqrt { x ^ { 2 } - 25 } } { 5 } and y=7x2255y = - \frac { 7 \sqrt { x ^ { 2 } - 25 } } { 5 }
B) y=5x2257y = \frac { 5 \sqrt { x ^ { 2 } - 25 } } { 7 } and y=5x2257y = - \frac { 5 \sqrt { x ^ { 2 } - 25 } } { 7 }
C) y=7x255y = \frac { 7 \sqrt { x ^ { 2 } } - 5 } { 5 } and y=7x255y = - \frac { 7 \sqrt { x ^ { 2 } } - 5 } { 5 }
D) y=5x2+257y = \frac { 5 \sqrt { x ^ { 2 } + 25 } } { 7 } and y=5x2+257y = - \frac { 5 \sqrt { x ^ { 2 } + 25 } } { 7 }

Correct Answer:

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