Question
The average of a non-zero number and its square is 5 times the number. The number is:
Answer: Option A
- Let the number be x.
Then,
x + x2 2 = 5x x2 - 9x = 0 x (x - 9) = 0 x = 0 or x = 9.
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- Let the number be x.
Then,
x + x2 2 = 5x x2 - 9x = 0 x (x - 9) = 0 x = 0 or x = 9.
Was this answer helpful ?
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