Answer:
4
+2
Step-by-step explanation:
![\frac{6-\sqrt{8}}{\sqrt{2}-1}](https://tex.z-dn.net/?f=%5Cfrac%7B6-%5Csqrt%7B8%7D%7D%7B%5Csqrt%7B2%7D-1%7D)
=
×![\frac{\sqrt{2}+1}{\sqrt{2}+1}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%7B2%7D%2B1%7D%7B%5Csqrt%7B2%7D%2B1%7D)
=![\frac{(6-\sqrt{8})(\sqrt{2}+1)}{2-1}](https://tex.z-dn.net/?f=%5Cfrac%7B%286-%5Csqrt%7B8%7D%29%28%5Csqrt%7B2%7D%2B1%29%7D%7B2-1%7D)
=6
+ 6 -
- ![\sqrt{8}](https://tex.z-dn.net/?f=%5Csqrt%7B8%7D)
=6
+ 6 - 4 - ![\sqrt{8}](https://tex.z-dn.net/?f=%5Csqrt%7B8%7D)
=6
+ 2 - ![\sqrt{8}](https://tex.z-dn.net/?f=%5Csqrt%7B8%7D)
=6
+ 2 - 2
=4
+2
for
= 2
,
= ![\sqrt{2*2*2}](https://tex.z-dn.net/?f=%5Csqrt%7B2%2A2%2A2%7D)
= (
)^2 ×
=2 ×
Amount of increase = 95-80 = 15
Percent increase = (15/80) x 100
Percent increase = 18.75%
Both 2.5 and -2.5 have absolute values of 2.5. Some nubmers that have a greater absolute value are 3.0, -3, 4.0, -4.