Question

the product of two rational numbers is-7. if one of the number is -5,find the other

Answer 1

Answer:

The product of two rational numbers is -7. If one of the rational number is -5, then it is easy to find the second rational number.

Step-by-step explanation:

Now lets look at it this way, a rational number is one that can be written in the form of p/q and another condition is that q is not equal to zero.

So, if one of the rational number given here is – 5, then we can say that it is equivalent to -5/1, which is the same as -5.

Now, let the second rational number be R/1.

So we know now by the equation that has been given to us as,

R/1 X -5/1 = -7/1    which is the same as writing R X -5 = -7

So, we can now write R X -5 = -7

Or we can say that -5R = -7.

Isolating –R we get,  - R = -7 / 5

Or we can say that R = 7/5.

So the second rational number is 7/5

Answer 2

Answer:

if the product of two rational number is -4 / 3 if one of them is minus one divided by 5 find the other