88.5k views
12 votes
Is y^2-x^2=16 functional?

2 Answers

3 votes

Answer:

No, it is not a function.

Explanation:

User AKRAM EL HAMDAOUI
by
6.0k points
7 votes

Answer:

  • No

Explanation:

Given equation:

  • y^2-x^2=16

Convert this to:

  • y = ±
    √(x^2 + 16)

As we see each x-coordinate has two y-values referenced, it doesn't pass the vertical line test, this is not a function.

User Leonarda
by
6.6k points
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