13E-7.

### Missing problem for Book PCT => Chapter Ch13 => Lesson 13.1.2 => Problem 13E-7

Created from orphaned homework help problem

Refer to Example 3 in this section to assist you with this problem.

Divide everything by the constant, 100 to make the equation = 1.

$\frac{4\textit{x}^2}{100}+\frac{25\textit{y}^2}{100}=\frac{100}{100}$