- Average Rate of Change/Slope Formula:
So using points (6,71) and (2,y), and the slope of 15, plug them into the slope formula as such:
From here we can solve for y. Firstly, solve the subtraction:
Next, multiply both sides by 4:
Next, subtact both sides by 71:
Lastly, multiply both sides by -1, and <u>your final answer will be 
, or A.</u>
You subtract 6 every time. So, there are already 3 terms, so we need to find the next 19. We can do 19x6, which equals 114. Then subtract 114 from 7, which is -107.
So, the 22nd term will be -107. Hope this helps :)
To get whether they are equal you have to cross multiply the numbers 18x16 and 48x3
48x3= 144
16x18= 288
144 is not equal to 288.
Therefore the rates aren’t equivalent.
Ok so the rise is the 6 and 172 is your run which this is how to find the slope using the fraction/ equation rise/ run which gives you the answer of 28.666666 and on and on which is not an acceptable slope I believe the question is a little confusing <span />
