3y=x^2 is NOT linear (it's a parabola)
y=(x/2)-19 is linear - - - it's a straight line
y= x + 25/5 is linear - - - it's straight line
13y = (1/3)x+5 is linear - - - another straight line
y^3 = x is NOT linear.
Answer:
linear - y= x/2 -19, y = x+25/5
non linear- everything else
Explanation:
put it into a calc and look for straight lines (linear)
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