Answer:
0
Step-by-step explanation:
Cancel out x-y to x^2-Y^2 and you get x+y-x-y which is 0
20 and 0 = largest sum of squares
10 and 10 = smallest
To square means to multiply something by itself. A variable is a letter such as x. So a squared variable=x×x=x^2.
I hope that helped.
The line passing through it is y=7/4x-11/<span>4</span>
9. increase
10. decrease
11. increase
12. decrease
13. decrease
14. decrease
15. increase
16. increase