Question

The product of 7,x, and y is represented by the expression 7xy. If the value of x is negative, what

can be said about the value of y in order for the product to remain positive?

Answer 1

it must be negative

Explanation:

7xy = a positive number

7 is positive.

x is a negative number.

y must be negative for 7xy to be positive.

(+) * (-) * (-) = +

The product of two negative numbers is positive.

Answer 2

In the expression of 7xy, if x is negative, then y must also be negative for the product to be positive.

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