-√2 + 2/7 x^4 in standard form

That equation in standard form is #y= 7/8x-37/8#

Explanation:

First, you can distribute the #7/8# to the #x# and the #-3#:

#y+2=7/8x-21/8#

After that subtract both sides by two:

#y+2-2=7/8x-21/8-2#

#y=7/8x-21/8-16/8#

#y= 7/8x-37/8#