Find the nth term in the series: 3, 7, 11, 15, 19

Find the difference between each value. 7-3, 11-7 ... For this series the difference is 4. The nth term is then 4n + or - a constant. The series is 3, 7, 11.. each of these is 1 below a multiple of 4. 41- 1 =3 42- 1=7 and so on. So the nth term would be 4n-1 ....

Answered by Hermione W. Maths tutor

31691 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

60 students were taking a Maths, Physics or Chemistry exam. 38 of the students were male. 11 of the 32 students who were taking the Maths exam were female. 8 males were taking the Physics exam. 12 students were taking the Chemistry exam. One of the fe


How do you solve simultaneous equations?


Solve simultaneously 2x+3y=8, 3x+2y=7 to calculate values of x and y.


How do you find the gradient of a straight line?


We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences