The circle or ellipse shown in the calculator-generated graph was created using function mode with a square viewing window. What are the two functions $y_{1}$ and $y_{2}$ that were used to obtain the graph whose equation is given?
-$x^{2}+\frac{(y+5)^{2}}{25}=1$

A) $y_{1}=5+5 \sqrt{1+x^{2}}, y_{2}=5-5 \sqrt{1+x^{2}}$
B) $y_{1}=-5+5 \sqrt{1+x^{2}}, y_{2}=-5-5 \sqrt{1+x^{2}}$
C) $y_{1}=5+5 \sqrt{1-x^{2}}, y_{2}=5-5 \sqrt{1-x^{2}}$
D) $y_{1}=-5+5 \sqrt{1-x^{2}}, y_{2}=-5-5 \sqrt{1-x^{2}}$

Question

The circle or ellipse shown in the calculator-generated graph was created using function mode with a square viewing window. What are the two functions $y_{1}$ and $y_{2}$ that were used to obtain the graph whose equation is given?
-$x^{2}+\frac{(y+5)^{2}}{25}=1$

A) $y_{1}=5+5 \sqrt{1+x^{2}}, y_{2}=5-5 \sqrt{1+x^{2}}$ 
B) $y_{1}=-5+5 \sqrt{1+x^{2}}, y_{2}=-5-5 \sqrt{1+x^{2}}$ 
C) $y_{1}=5+5 \sqrt{1-x^{2}}, y_{2}=5-5 \sqrt{1-x^{2}}$ 
D) $y_{1}=-5+5 \sqrt{1-x^{2}}, y_{2}=-5-5 \sqrt{1-x^{2}}$

Quizplus · Accepted Answer

The Answer of The circle or ellipse shown in the calculator-generated graph was created using function mode with a square viewing window. What are the two functions $y_{1}$ and $y_{2}$ that were used to obtain the graph whose equation is given?
-$x^{2}+\frac{(y+5)^{2}}{25}=1$

A) $y_{1}=5+5 \sqrt{1+x^{2}}, y_{2}=5-5 \sqrt{1+x^{2}}$ 
B) $y_{1}=-5+5 \sqrt{1+x^{2}}, y_{2}=-5-5 \sqrt{1+x^{2}}$ 
C) $y_{1}=5+5 \sqrt{1-x^{2}}, y_{2}=5-5 \sqrt{1-x^{2}}$ 
D) $y_{1}=-5+5 \sqrt{1-x^{2}}, y_{2}=-5-5 \sqrt{1-x^{2}}$

The Circle or Ellipse Shown in the Calculator-Generated Graph Was y1y_{1}y1​

The Circle or Ellipse Shown in the Calculator-Generated Graph Was $y_{1}$