SOLUTION: How do you make a now next rule from this table x-y 5-20 15-40 25-60 35-80

Question 811161: How do you make a now next rule from this table
x-y
5-20
15-40
25-60
35-80

Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
plot all given points and draw a line through
use two points to find the equation of a line:

Solved by pluggable solver: Find the equation of line going through points

hahaWe are trying to find equation of form y=ax+b, where a is slope, and b is intercept, which passes through points (x1, y1) = (5, 20) and (x2, y2) = (15, 40).
Slope a is .
Intercept is found from equation , or . From that,
intercept b is , or .

y=(2)x + (10)

Your graph:

so, your equation is:
and all given points lie on a line:
x-y
5-20
15-40
25-60
35-80

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