Is the relationship shown by the data linear? How can you tell if it is or not? If so, model the data with an equation

Question

X   Y:5,9,13,17

-7

-5                  

-3

-1 

Answer 1

(-7, 5), (-5, 9), (-3, 13), (-1, 17)

 

change is y is a constant 4 to a constant change of 2 in x

 

m = 4/2

 

y = 2x + b

5 = 2(-7) + b

5 = -14 + b

19 = b

 

y = 2x + 19