2. Originally Posted by k10ennis
Complete the Square? This is why you studied completing the square in algebra.

49x^2+16y^2+160y=384

49x^2+16(y^2+10y+____)=384 + 16*____

10/2 = 5

5^2 = 25

49x^2+16(y^2+10y+25) = 384 + 16*25 = 16*24 + 16*25 = 16*49

49x^2+16(y+5)^2 = 16*49

$
\frac{x^{2}}{16}+\frac{(y+5)^{2}}{49}\;=\;1
$

Okay, now you do one.

3. ## Thank You

Thank you so much. Might have another question but have to run to class now. Thanks again...