Answer:
-51
Step-by-step explanation:
4xy + 2y^2-z
4(5)(-4) +2(-4)^2 -3
(20)(-4) + 2(-4)^2 -3
-80 +(2)(16) - 3
-80 + 32 - 3
-48-3
-51
Is it 25 yes or no. I don't really get it but I know hot to solve it
Um so is there a specific question u would like me to help u
In each graph, they give you a line.
For part A, they want you to use the <u>Distance Formula</u> which is:
![\sqrt{(x2 - x1)^{2}+(y2 - y1)^{2}}](https://tex.z-dn.net/?f=%5Csqrt%7B%28x2%20-%20x1%29%5E%7B2%7D%2B%28y2%20-%20y1%29%5E%7B2%7D%7D)
(x2 is supposed to be x sub 2, but I can't put subheadings in the equation tool)
x1, x2, y1, and y2 are the coordinates of the endpoints of the segment.
For part B, they want you to use the <u>Midpoint Formula</u>, which is:
![(\frac{x1 + x2}{2}, \frac{y1 + y2}{2})](https://tex.z-dn.net/?f=%28%5Cfrac%7Bx1%20%2B%20x2%7D%7B2%7D%2C%20%5Cfrac%7By1%20%2B%20y2%7D%7B2%7D%29)
The coordinate pair you get from the Midpoint Formula is your midpoint.
Hope this helps! :)