3 years ago

For which equations is x = 9 a possible solution?

Mathematics

1 answer:

9966 [12]3 years ago

4 0

Answer:

Step-by-step explanation:

|x|= 9 is a solution. The range of the absolute value function is [0, infinity).

-|x|=9 not a solution. No absolute value function will return a negative result.

-|-x|=9 not a solution. -(x) = 9 is not true for x = 9.

-|-x|=-9 solution. -9 = -9 is true.

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