Rational Number Operations — Test

Question 5 • {3822C} PRE ALG 8C

Which product is negative?

Answer

open paren negative 3 eighths close paren times open paren negative 5 sevenths close paren times 1 fourth

open paren negative 3 eighths close paren times open paren negative 5 sevenths close paren times open paren negative 1 fourth close paren

3 eighths times open paren negative 5 sevenths close paren times open paren negative 1 fourth close paren

3 eighths times 5 sevenths times 1 fourth

Explanation

A product is negative when it has an odd number of negative factors. Choice C has three negative factors: −3/8, −5/7, and −1/4, so their product is negative. Choices A and B each have two negative factors, and D has none, so those products are positive.

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