Given that y is directly proportional to square root of x and that y = 20 when x = 49 find an expression to represent x and y.

y = k √x20 = k √49 20/7 = ktherefore y = 20/7 √x

Answered by Ann P. Maths tutor

5165 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

How do I form an algebraic fraction into a single fraction in its simplest form?


If a shop sells a bucket at £16 after a 15% discount, how much would the bucket have been before the discount?


4y^2 = 256, Find a value for y


In a village the number of houses and the number of flats are in the ratio 7 : 4. The number of flats and the number of bungalows are in the ratio 8 : 5 . There are 50 bungalows in the village. How many houses are there in the village?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences