Question

The points are (1999,45) and (2009,59)

Answer 1

Slope = 1.4

Explanation:

So the slope is the rate of change and the formula is:

`(y_(1) - y_(2)  )/(x_(1) -x_(2) )`

So y^2 is 59

y^1 is 45

x^2 is 2009

x^1 is 1999

`(59-45)/(2009-1999)` =
`(14)/(10)` = 1.4

The slope = 1.4