Complete the sentences. Put the verbs into the Present Perfect or the Past Simple 1. A: Have you ever been to Ireland?

Запишем формулу линейной функции:

y = kx + l

теперь просто соотносим формулу с нашими примерами:
1) k = 9 , l = 10
2) k = 7 , l = -2
3) k = -3 , l = 5
4) k = 1 ,  l = -11
5) k = 0.9 , l = -2
6) k = 1.3 , l = 5