Modeling with Conic Sections and Polar Equations — Test
Question 21 • Precalculus
Which equation represents this ellipse?
Answer
A
the fraction with numerator open paren x plus 6 close paren squared and denominator 49 plus the fraction with numerator open paren y plus 2 close paren squared and denominator 9 is equal to 1
B
the fraction with numerator open paren x minus 6 close paren squared and denominator 49 plus the fraction with numerator open paren y minus 2 close paren squared and denominator 9 is equal to 1
C
the fraction with numerator open paren y plus 6 close paren squared and denominator 49 plus the fraction with numerator open paren x plus 2 close paren squared and denominator 9 is equal to 1
D
the fraction with numerator open paren y minus 6 close paren squared and denominator 49 plus the fraction with numerator open paren x minus 2 close paren squared and denominator 9 is equal to 1