9
practice testMultiple Choice

Practice Test

Question 9 • Geometry

Which is the equation of an asymptote of the hyperbola whose equation is the fraction with numerator open paren x minus 2 close paren squared and denominator 4 minus the fraction with numerator open paren y minus 1 close paren squared and denominator 36 is equal to 1 ?

Answer
A
y is equal to negative 3 x minus 7
B
y is equal to negative 3 x minus 5
C
y is equal to 3 x plus 7
D
y is equal to 3 x minus 5

Explanation

The hyperbola is centered at (2, 1), with a = 2 and b = 6. Its asymptotes have slopes ±b/a = ±3 and pass through the center. Using slope 3 gives y − 1 = 3(x − 2), or y = 3x − 5, which is choice C.

AI-written and checked against the verified answer.

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