Write the set $X = {8, - 8}$ in the set builder form.

X = {x | s q u a r e o f x i s 64}

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X = {x | x d i v i d e d b y 8 i s 1}

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X = {x | x d i v i d e d b y 4 i s 2}

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None of these

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Solution

The correct option is A $X = {x | s q u a r e o f x i s 64}$
The relation between the elements can be obseved to be that they are solutions of quadratic $x^{2} = 64$ , then in set builder form we can write
$X = {x | x^{2} = 64}$

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Similar questions

X = {1, \frac{1}{4}, \frac{1}{9}, \frac{1}{16}, \frac{1}{25}, . . . . . .}

-

\{1, \frac{1}{8}, \frac{1}{27}, \frac{1}{64}, \frac{1}{125}\}

A = {x / x = 3 n; n \in N and n < 8}

Write the set in roster form

The set of all integers 'x' such that | x minus 3 | <8

|x : x \neq x|

|x : x = x|

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