Question

Use the equation below to answer the following question(s).-3xy=45Which of the following statements is definitely true? A. only x is negative.B. only y is negative C. Both x and y are negative D. Either x or y is negative

Answer 1

The given equation is,

$-3xy=45$

We know that the product of two negative values is positive and product of a positive value with negative value is negative.

So here the final answer is positive. And there is already a negative symbol there. So, either x or y should be negative.

Thus the answer is D.