Question

which of the following is not a quadratic equation


1. 5x2-7x=0

2. -3x+9x2+8=0

3. √x+7/√x=4√x(x is not equal to 0)

4. 1/3x+3x=4(x is not equal to 0)​

Answer 1

Answer:

4)

$= > \frac{1}{3x} + 3x = 4$

is not a quadratic equation......

Step-by-step explanation:

4) is a linear equation..

Answer 2

Answer:

4. 1/3x+3x=4 is not quadratic equation