Answer:
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Step-by-step explanation:
(x₁,y₁) = (2,-3)
(x₂,y₂) = (2,9)
To determine the slope using two points lie on the line, we could use the following formula
m =
![\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}](https://tex.z-dn.net/?f=%20%5Cdfrac%7By_%7B2%7D-y_%7B1%7D%7D%7Bx_%7B2%7D-x_%7B1%7D%7D)
plug in the numbers
m =
![\dfrac{9-(-3)}{2-2}](https://tex.z-dn.net/?f=%20%5Cdfrac%7B9-%28-3%29%7D%7B2-2%7D%20)
m =
![\dfrac{9+3}{0}](https://tex.z-dn.net/?f=%20%5Cdfrac%7B9%2B3%7D%7B0%7D%20)
m =
![\dfrac{12}{0}](https://tex.z-dn.net/?f=%20%5Cdfrac%7B12%7D%7B0%7D%20)
m = undefined
The slope is undefined, the line is vertical
Answer:
-11
Step-by-step explanation:
You need to find the difference in y-coordinates and divide that difference into a 7:3 ratio. Then you add that to the y-coordinate of point J.
Difference in y:
-20 - 10 = -30
7 + 3 = 10
7/10 * (-30) = -21
Add -21 to 10:
10 + (-21) = -11
The y-coordinate is -11.