Question

i want question 8 and 9 and 10
but i dont think you can do,
these are very difficult ​

Answer 1

Challenging persons give me opportunity to prove myself ... ☺

8 - The signs of the coordinates of a point in the third quadrant are (−,−) as both x and y are negative quantities in the particular quadrant.

9 - A system of linear equations usually has a single solution, but sometimes it can have no solution (parallel lines) or infinite solutions (same line). This article reviews all three cases. One solution. A system of linear equations has one solution when the graphs intersect at a point.

10 -Given equation:

2x+3y=k

Now putting x=2 and y =1 in equation

⇒2(2)+3(1)=k

⇒4+3=k

⇒k=7

Answer 2

Answer:

Q8=Ans= ( -5,-2)

Q9=Ans=?

Q10=Ans=in upper image

i hope it will help!!