linear functions graph as a straight line,
the only one which is not a straight line is
y = x^2 - 3
the x^2 term was a give-away
Which equations represent a linear function?
Equation 1 y=5x-2
Equation 2 y=-1/3x
Equation 3 y=x^2-3
Equation 4 y=1
1 answer