Y=Mx + c
The slope is given already so it will be :
Y=-4x+c
Now you can find C by replacing the given points
-3=-4(8)+c
C=9
Final answer is :
Y= -4x+9
2/4 is equal to 3/6 because they both are equal to 1/2
I can't see the photo ....
Your answer would be <span>30 m²!
: D</span>