Question

Please help me, it's urgent

Find the equation of the linear function represented by the table below in slope-intercept form.

x y

-1 1

2 13

5 25

8 37

Answer 1

y = 4x +5

Slope is 4

Intercept is 5

Explanation:

Using, y1= 1 and x1= -1

And, y2 = 13, x2 = 2

`(y2 - y1)/(x2 - x1) = (y - y1)/(x - x1)`

`(13 - 1)/(2 - ( - 1)) = (y - 1)/(x - ( - 1))`

`(12)/(3) = (y - 1)/(x + 1)`

`4 = (y - 1)/(x + 1)`

`y - 1 = 4(x + 1)`

y-1 = 4x +4

y = 4x +4 +1 = 4x +5