Hi there!
![\large\boxed{\text{slope =} 6}](https://tex.z-dn.net/?f=%5Clarge%5Cboxed%7B%5Ctext%7Bslope%20%3D%7D%206%7D)
We can calculate slope using the following formula:
![slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}](https://tex.z-dn.net/?f=slope%20%3D%20%5Cfrac%7By_%7B2%7D-y_%7B1%7D%7D%7Bx_%7B2%7D-x_%7B1%7D%7D)
Plug in the corresponding points:
![slope = \frac{-9-(-3)}{2-1}](https://tex.z-dn.net/?f=slope%20%3D%20%5Cfrac%7B-9-%28-3%29%7D%7B2-1%7D)
Simplify:
![slope = \frac{-6}{1} = -6](https://tex.z-dn.net/?f=slope%20%3D%20%5Cfrac%7B-6%7D%7B1%7D%20%3D%20-6)
Answer: Slope: 6-(-6)/2-(-4)=2
Slope:2
Write it in the standard form
Y=2x+b
Find the b
Substitute the y and x
6=2(2)+b
b=2
Here the equation=
Y =2x+2
Step-by-step explanation:
Given:
Cost of lunch per day = 1 meal and 2 snacks
C = 5.5 + 2(0.75) = 5.5 + 1.5 = 7
7 * 12 days = 84
Based on the choices, the best strategy would be:
<span> A. Make a table. Write the numbers 1 to 12 in the top row of the table (the number of days). In the first box on the second row, write $7. This is how much Rebecca spends in 1 day. In each of the next boxes in the second row, write the amount Rebecca spends by adding $7 to the previous amount. The answer in box 12 is the total amount Rebecca spent after 12 days.</span>