Question

The point of (a,-a), a ≠ 0, 0 lies on

a) the x-axis
b) the y-axis
c) the line y = x
d) the line x+y = 0

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Answer 1

Answer:

Since the x and y-coordinate of the point is 0, it lies on the origin, i.e, both the axes.

Answer 2

$\huge\underline\bold\red{AnswEr}$

option D is correct✔︎✔︎

➪Sum of x and y coordinates should be 0

Substituting co ordinates of the point (a,−a) in the equation x+y=0

We get a+(−a)=a−a=0

Hence, (a,−a) satisfies x+y=0.

RHS=LHS