Which equation does not represent y as a function of x?
A. -7y = 2
B. 6x = -8y
C. 5y^2 + 2x = -4
D. 4x^2 + 9y = -8
1 answer
Look at C. Is there one y for each x?
A. -7y = 2
B. 6x = -8y
C. 5y^2 + 2x = -4
D. 4x^2 + 9y = -8
1 answer