Question

Look at the table of values below

a b
2 8
4 14
6 20

Which equation is represented by the table?
b = a + 14/2
b = 3a + 2
b = 4a − 4
b = 4a − 2

Answer 1

b=3a+2. It can be checked by plugging in the numbers. 1) 8=3(2)+2. 8=8. 2) 14=3(4)+2. 14=14. 3) 20=3(6)+2. 20=20.