The linear equations are given as follows:
A linear function is modeled by:
y = mx + b
In which:
For diagonal AC, the line contains points (-3,3) and (3,-3), hence the line is:
y = -x.
In standard form:
[tex]x + y = 0, -3 \leq x \leq 3[/tex].
For diagonal BD, the line contains points (3,3) and (-3,-3), hence the line is:
y = x.
In standard form:
[tex]x - y = 0, -3 \leq x \leq 3[/tex].
More can be learned about linear equations at https://brainly.com/question/24808124
#SPJ1