How do we find the range of the binary relation #4x^2 + 9y^2 = 36# ?
2 Answers
Set x equal to zero and then solve the equation for both values of y; the negative value will be the minimum of the range and the positive value will be the maximum.
Explanation:
Given:
Let
The range is
The range is
Explanation:
The equation is
Let
We need a sign chart
Therefore,
graph{4x^2+9y^2=36 [-9.22, 8.56, -3.235, 5.654]}