Question

(-80)^-2

Answer 1

1/(-80)^2=1/6400

Answer 2

\[\frac{1}{-80^{2}}= \frac{1}{6400}\]

Answer 3

can u help me

Answer 4

w?

Answer 5

4x^2-6y^2+32x-24y+16=0

give the exact coordinated of an four points

Answer 6

lets try to group this 4x^2+32x-6y^2-24y+16=0
2x(2x+16)-6y(y+4)+16=0
2x(2x+16)=0 the solution is x=(0,8)
-6y(y+4)=16
-6y=16
y=-8/3
y+4=16
y=16-4
y=12 solution is (8/3, 12)