SOLUTION: How di identify if 9xsquared+16ysquared=144?

SOLUTION: How di identify if 9xsquared+16ysquared=144?

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Question 237434: How di identify if 9xsquared+16ysquared=144?
Answer by College Student(505) (Show Source): You can put this solution on YOUR website!
Steps:
a. Solve for y
b. Substitute this result (in lieu of y) in the original equation
c. If both sides equal, then you know the equation is valid.
Problem:
Step a.

Step b.

When you elevate a sqrt to the 2nd power, they cancel each other.

The 16 cancel each other, so:

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