Is x ^ 2 + y ^ 2 = 6 a function?

Question

asked Aug 19, 2022 209k views

1 Answer

MKiss · Answer 1 · 2022-08-25T11:35:06+0000

Answer:

not a function

Explanation:

for example

In order for an equation to represent a function any single value of x must have at most one corresponding value of y which satisfies the equation.

For x2+y2=9

XXXXif (for example) x=0

XXXXthere are two values for y (namely +3 and −3) which satisfy the equation

and therefore the equation is not a function.