The product of two rational numbers is 145. If one of them is −76, find the other.
125
−125
−65
−85
Let the second number be x.
As per problem,
−76×x=145
⇒x=145÷−76
⇒x=145×6−7
⇒x=−125
(a) Write four irrational numbers. (b) The product of two rational numbers is 34. If one of them is 56, find the other number. [2 MARKS]