Question 185944
Which of the following equations represents a linear equation? Please show examples of equations.
a)5x -7y = 48
b)5x^2 + 7x - 28 = 0
c)y = 3x -6
d)x = -3/4
--------------
e) a and c only
f) a, b, and c
g) a, c, and d
h) all of the above
I) none of the above
--------------
a, c & d are linear.  b is 2nd order, it has an x^2 term.
a, c & d are examples.