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Questions and Answers
Which of the following pairs of sets are equal?
Which of the following pairs of sets are equal?
- $A = ext{{ extbraceleft}}0 ext{{ extbraceright}}$, $B = ext{{ extbraceleft}} x / 5 < x < 15 ext{{ extbraceright}}$
- $A = ext{{ extbraceleft}}x / x - 5 = 0 ext{{ extbraceright}}$, $B = ext{{ extbraceleft}}x / x^2 = 25 ext{{ extbraceright}}$
- $A = ext{{ extbraceleft}} x / x ext{ is a letter of the word 'ALLOY'} ext{{ extbraceright}}$, $B = ext{{ extbraceleft}} x / x ext{ is a letter of the word 'LOYAL'} ext{{ extbraceright}}$
- $A = ext{{ extbraceleft}}-2, -1, 0, 1, 2 ext{{ extbraceright}}$, $B = ext{{ extbraceleft}}1, 2 ext{{ extbraceright}}$ (correct)
Which set represents the solution to the inequality $x > 5$ and $x < 15$?
Which set represents the solution to the inequality $x > 5$ and $x < 15$?
- $A = ext{{ extbraceleft}}x / x - 5 = 0 ext{{ extbraceright}}$
- $A = ext{{ extbraceleft}}-2, -1, 0, 1, 2 ext{{ extbraceright}}$ (correct)
- $A = ext{{ extbraceleft}}x / x^2 = 25 ext{{ extbraceright}}
- $A = ext{{ extbraceleft}}0 ext{{ extbraceright}}$
Which set represents the solution to the equation $x - 5 = 0$?
Which set represents the solution to the equation $x - 5 = 0$?
- $A = ext{{ extbraceleft}}-2, -1, 0, 1, 2 ext{{ extbraceright}}$
- $A = ext{{ extbraceleft}}x / x^2 = 25 ext{{ extrm{}}}\textrm{}}
- $A = ext{{ extbraceleft}} x / x > 5 and x < 15 ext{{ extbraceright}}$
- $A = ext{{ extbraceleft}}0 ext{{ extbraceright}}$ (correct)
