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  1. Home
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Miscellaneous·2018·Easy

If x - y = 8, then which of the following must be true? Both x and y must be positive for any value of x and y. If x is positive, y must be negative for any value of x and y. If x is negative, y must be positive for any value of x and y. Select the correct answer using the code given below.

If x - y = 8, then which of the following must be true? Both x and y must be positive for any value of x and y. If x is positive, y must be negative for any value of x and y. If x is negative, y must be positive for any value of x and y. Select the correct answer using the code given below.

Options

  1. a.

    1 only

  2. b.

    2 only

  3. c.

    Both 1 and 2

  4. d.

    Neither 1 nor 2 nor 3

    Correct answer

Explanation

x = 10 x = 5 x = -1 y =2 y = –3 y = ± 9 If x > 0 y can be both > 0 or < 0 If x < 0 y < 0

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